31501848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 65266152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 71, 76, 84, 114, 133, 139, 142, 152, 168, 213, 228, 266, 278, 284, 399, 417, 426, 456, 497, 532, 556, 568, 798, 834, 852, 973, 994, 1064, 1112, 1349, 1491, 1596, 1668, 1704, 1946, 1988, 2641, 2698, 2919, 2982, 3192, 3336, 3892, 3976, 4047, 5282, 5396, 5838, 5964, 7784, 7923, 8094, 9443, 9869, 10564, 10792, 11676, 11928, 15846, 16188, 18487, 18886, 19738, 21128, 23352, 28329, 29607, 31692, 32376, 36974, 37772, 39476, 55461, 56658, 59214, 63384, 69083, 73948, 75544, 78952, 110922, 113316, 118428, 138166, 147896, 187511, 207249, 221844, 226632, 236856, 276332, 375022, 414498, 443688, 552664, 562533, 750044, 828996, 1125066, 1312577, 1500088, 1657992, 2250132, 2625154, 3937731, 4500264, 5250308, 7875462, 10500616, 15750924, 31501848]

約数ペア:

[(1, 31501848), (2, 15750924), (3, 10500616), (4, 7875462), (6, 5250308), (7, 4500264), (8, 3937731), (12, 2625154), (14, 2250132), (19, 1657992), (21, 1500088), (24, 1312577), (28, 1125066), (38, 828996), (42, 750044), (56, 562533), (57, 552664), (71, 443688), (76, 414498), (84, 375022), (114, 276332), (133, 236856), (139, 226632), (142, 221844), (152, 207249), (168, 187511), (213, 147896), (228, 138166), (266, 118428), (278, 113316), (284, 110922), (399, 78952), (417, 75544), (426, 73948), (456, 69083), (497, 63384), (532, 59214), (556, 56658), (568, 55461), (798, 39476), (834, 37772), (852, 36974), (973, 32376), (994, 31692), (1064, 29607), (1112, 28329), (1349, 23352), (1491, 21128), (1596, 19738), (1668, 18886), (1704, 18487), (1946, 16188), (1988, 15846), (2641, 11928), (2698, 11676), (2919, 10792), (2982, 10564), (3192, 9869), (3336, 9443), (3892, 8094), (3976, 7923), (4047, 7784), (5282, 5964), (5396, 5838)]