25809128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 29348632

約数列:

[1, 2, 4, 8, 17, 23, 34, 37, 46, 68, 74, 92, 136, 148, 184, 223, 296, 391, 446, 629, 782, 851, 892, 1258, 1564, 1702, 1784, 2516, 3128, 3404, 3791, 5032, 5129, 6808, 7582, 8251, 10258, 14467, 15164, 16502, 20516, 28934, 30328, 33004, 41032, 57868, 66008, 87193, 115736, 140267, 174386, 189773, 280534, 348772, 379546, 561068, 697544, 759092, 1122136, 1518184, 3226141, 6452282, 12904564, 25809128]

約数ペア:

[(1, 25809128), (2, 12904564), (4, 6452282), (8, 3226141), (17, 1518184), (23, 1122136), (34, 759092), (37, 697544), (46, 561068), (68, 379546), (74, 348772), (92, 280534), (136, 189773), (148, 174386), (184, 140267), (223, 115736), (296, 87193), (391, 66008), (446, 57868), (629, 41032), (782, 33004), (851, 30328), (892, 28934), (1258, 20516), (1564, 16502), (1702, 15164), (1784, 14467), (2516, 10258), (3128, 8251), (3404, 7582), (3791, 6808), (5032, 5129)]