256690672

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 596961792

約数和(自身を除く): 340271120

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 251, 322, 368, 397, 502, 644, 794, 1004, 1288, 1588, 1757, 2008, 2576, 2779, 3176, 3514, 4016, 5558, 5773, 6352, 7028, 9131, 11116, 11546, 14056, 18262, 22232, 23092, 28112, 36524, 40411, 44464, 46184, 63917, 73048, 80822, 92368, 99647, 127834, 146096, 161644, 199294, 255668, 323288, 398588, 511336, 646576, 697529, 797176, 1022672, 1395058, 1594352, 2291881, 2790116, 4583762, 5580232, 9167524, 11160464, 16043167, 18335048, 32086334, 36670096, 64172668, 128345336, 256690672]

約数ペア:

[(1, 256690672), (2, 128345336), (4, 64172668), (7, 36670096), (8, 32086334), (14, 18335048), (16, 16043167), (23, 11160464), (28, 9167524), (46, 5580232), (56, 4583762), (92, 2790116), (112, 2291881), (161, 1594352), (184, 1395058), (251, 1022672), (322, 797176), (368, 697529), (397, 646576), (502, 511336), (644, 398588), (794, 323288), (1004, 255668), (1288, 199294), (1588, 161644), (1757, 146096), (2008, 127834), (2576, 99647), (2779, 92368), (3176, 80822), (3514, 73048), (4016, 63917), (5558, 46184), (5773, 44464), (6352, 40411), (7028, 36524), (9131, 28112), (11116, 23092), (11546, 22232), (14056, 18262)]