25681628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 54883584

約数和(自身を除く): 29201956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 163, 238, 326, 331, 476, 652, 662, 1141, 1324, 2282, 2317, 2771, 4564, 4634, 5542, 5627, 9268, 11084, 11254, 19397, 22508, 38794, 39389, 53953, 77588, 78778, 107906, 157556, 215812, 377671, 755342, 917201, 1510684, 1834402, 3668804, 6420407, 12840814, 25681628]

約数ペア:

[(1, 25681628), (2, 12840814), (4, 6420407), (7, 3668804), (14, 1834402), (17, 1510684), (28, 917201), (34, 755342), (68, 377671), (119, 215812), (163, 157556), (238, 107906), (326, 78778), (331, 77588), (476, 53953), (652, 39389), (662, 38794), (1141, 22508), (1324, 19397), (2282, 11254), (2317, 11084), (2771, 9268), (4564, 5627), (4634, 5542)]