25724138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 20361622

約数列:

[1, 2, 11, 19, 22, 38, 41, 79, 82, 158, 209, 361, 418, 451, 722, 779, 869, 902, 1501, 1558, 1738, 3002, 3239, 3971, 6478, 7942, 8569, 14801, 16511, 17138, 28519, 29602, 33022, 35629, 57038, 61541, 71258, 123082, 162811, 313709, 325622, 627418, 676951, 1169279, 1353902, 2338558, 12862069, 25724138]

約数ペア:

[(1, 25724138), (2, 12862069), (11, 2338558), (19, 1353902), (22, 1169279), (38, 676951), (41, 627418), (79, 325622), (82, 313709), (158, 162811), (209, 123082), (361, 71258), (418, 61541), (451, 57038), (722, 35629), (779, 33022), (869, 29602), (902, 28519), (1501, 17138), (1558, 16511), (1738, 14801), (3002, 8569), (3239, 7942), (3971, 6478)]