254984982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 635043840

約数和(自身を除く): 380058858

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 62, 67, 74, 79, 93, 111, 134, 158, 186, 201, 217, 222, 237, 259, 402, 434, 469, 474, 518, 553, 651, 777, 938, 1106, 1147, 1302, 1407, 1554, 1659, 2077, 2294, 2449, 2479, 2814, 2923, 3318, 3441, 4154, 4898, 4958, 5293, 5846, 6231, 6882, 7347, 7437, 8029, 8769, 10586, 12462, 14539, 14694, 14874, 15879, 16058, 17143, 17353, 17538, 20461, 24087, 29078, 31758, 34286, 34706, 37051, 40922, 43617, 48174, 51429, 52059, 61383, 74102, 76849, 87234, 90613, 102858, 104118, 111153, 122766, 153698, 164083, 181226, 195841, 222306, 230547, 271839, 328166, 391682, 461094, 492249, 537943, 543678, 587523, 634291, 984498, 1075886, 1148581, 1175046, 1268582, 1370887, 1613829, 1902873, 2297162, 2741774, 3227658, 3445743, 3805746, 4112661, 6071071, 6891486, 8225322, 12142142, 18213213, 36426426, 42497497, 84994994, 127492491, 254984982]

約数ペア:

[(1, 254984982), (2, 127492491), (3, 84994994), (6, 42497497), (7, 36426426), (14, 18213213), (21, 12142142), (31, 8225322), (37, 6891486), (42, 6071071), (62, 4112661), (67, 3805746), (74, 3445743), (79, 3227658), (93, 2741774), (111, 2297162), (134, 1902873), (158, 1613829), (186, 1370887), (201, 1268582), (217, 1175046), (222, 1148581), (237, 1075886), (259, 984498), (402, 634291), (434, 587523), (469, 543678), (474, 537943), (518, 492249), (553, 461094), (651, 391682), (777, 328166), (938, 271839), (1106, 230547), (1147, 222306), (1302, 195841), (1407, 181226), (1554, 164083), (1659, 153698), (2077, 122766), (2294, 111153), (2449, 104118), (2479, 102858), (2814, 90613), (2923, 87234), (3318, 76849), (3441, 74102), (4154, 61383), (4898, 52059), (4958, 51429), (5293, 48174), (5846, 43617), (6231, 40922), (6882, 37051), (7347, 34706), (7437, 34286), (8029, 31758), (8769, 29078), (10586, 24087), (12462, 20461), (14539, 17538), (14694, 17353), (14874, 17143), (15879, 16058)]