661357536

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 2073318912

約数和(自身を除く): 1411961376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 67, 74, 84, 96, 111, 112, 134, 148, 168, 201, 222, 224, 259, 268, 296, 336, 397, 402, 444, 469, 518, 536, 592, 672, 777, 794, 804, 888, 938, 1036, 1072, 1184, 1191, 1407, 1554, 1588, 1608, 1776, 1876, 2072, 2144, 2382, 2479, 2779, 2814, 3108, 3176, 3216, 3552, 3752, 4144, 4764, 4958, 5558, 5628, 6216, 6352, 6432, 7437, 7504, 8288, 8337, 9528, 9916, 11116, 11256, 12432, 12704, 14689, 14874, 15008, 16674, 17353, 19056, 19832, 22232, 22512, 24864, 26599, 29378, 29748, 33348, 34706, 38112, 39664, 44067, 44464, 45024, 52059, 53198, 58756, 59496, 66696, 69412, 79328, 79797, 88134, 88928, 102823, 104118, 106396, 117512, 118992, 133392, 138824, 159594, 176268, 186193, 205646, 208236, 212792, 235024, 237984, 266784, 277648, 308469, 319188, 352536, 372386, 411292, 416472, 425584, 470048, 555296, 558579, 616938, 638376, 705072, 744772, 822584, 832944, 851168, 984163, 1117158, 1233876, 1276752, 1410144, 1489544, 1645168, 1665888, 1968326, 2234316, 2467752, 2553504, 2952489, 2979088, 3290336, 3936652, 4468632, 4935504, 5904978, 5958176, 6889141, 7873304, 8937264, 9871008, 11809956, 13778282, 15746608, 17874528, 20667423, 23619912, 27556564, 31493216, 41334846, 47239824, 55113128, 82669692, 94479648, 110226256, 165339384, 220452512, 330678768, 661357536]

約数ペア:

[(1, 661357536), (2, 330678768), (3, 220452512), (4, 165339384), (6, 110226256), (7, 94479648), (8, 82669692), (12, 55113128), (14, 47239824), (16, 41334846), (21, 31493216), (24, 27556564), (28, 23619912), (32, 20667423), (37, 17874528), (42, 15746608), (48, 13778282), (56, 11809956), (67, 9871008), (74, 8937264), (84, 7873304), (96, 6889141), (111, 5958176), (112, 5904978), (134, 4935504), (148, 4468632), (168, 3936652), (201, 3290336), (222, 2979088), (224, 2952489), (259, 2553504), (268, 2467752), (296, 2234316), (336, 1968326), (397, 1665888), (402, 1645168), (444, 1489544), (469, 1410144), (518, 1276752), (536, 1233876), (592, 1117158), (672, 984163), (777, 851168), (794, 832944), (804, 822584), (888, 744772), (938, 705072), (1036, 638376), (1072, 616938), (1184, 558579), (1191, 555296), (1407, 470048), (1554, 425584), (1588, 416472), (1608, 411292), (1776, 372386), (1876, 352536), (2072, 319188), (2144, 308469), (2382, 277648), (2479, 266784), (2779, 237984), (2814, 235024), (3108, 212792), (3176, 208236), (3216, 205646), (3552, 186193), (3752, 176268), (4144, 159594), (4764, 138824), (4958, 133392), (5558, 118992), (5628, 117512), (6216, 106396), (6352, 104118), (6432, 102823), (7437, 88928), (7504, 88134), (8288, 79797), (8337, 79328), (9528, 69412), (9916, 66696), (11116, 59496), (11256, 58756), (12432, 53198), (12704, 52059), (14689, 45024), (14874, 44464), (15008, 44067), (16674, 39664), (17353, 38112), (19056, 34706), (19832, 33348), (22232, 29748), (22512, 29378), (24864, 26599)]