258590608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20747}}^1$

素因数の和:20815

約数の個数: 40

約数和(自身を含む): 540277920

約数和(自身を除く): 281687312

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 20747, 41494, 82988, 165976, 331952, 394193, 788386, 850627, 1576772, 1701254, 3153544, 3402508, 6307088, 6805016, 13610032, 16161913, 32323826, 64647652, 129295304, 258590608]

約数ペア:

[(1, 258590608), (2, 129295304), (4, 64647652), (8, 32323826), (16, 16161913), (19, 13610032), (38, 6805016), (41, 6307088), (76, 3402508), (82, 3153544), (152, 1701254), (164, 1576772), (304, 850627), (328, 788386), (656, 394193), (779, 331952), (1558, 165976), (3116, 82988), (6232, 41494), (12464, 20747)]