25728976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 37266992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 431, 533, 574, 656, 728, 862, 1066, 1148, 1456, 1724, 2132, 2296, 3017, 3448, 3731, 4264, 4592, 5603, 6034, 6896, 7462, 8528, 11206, 12068, 14924, 17671, 22412, 24136, 29848, 35342, 39221, 44824, 48272, 59696, 70684, 78442, 89648, 123697, 141368, 156884, 229723, 247394, 282736, 313768, 459446, 494788, 627536, 918892, 989576, 1608061, 1837784, 1979152, 3216122, 3675568, 6432244, 12864488, 25728976]

約数ペア:

[(1, 25728976), (2, 12864488), (4, 6432244), (7, 3675568), (8, 3216122), (13, 1979152), (14, 1837784), (16, 1608061), (26, 989576), (28, 918892), (41, 627536), (52, 494788), (56, 459446), (82, 313768), (91, 282736), (104, 247394), (112, 229723), (164, 156884), (182, 141368), (208, 123697), (287, 89648), (328, 78442), (364, 70684), (431, 59696), (533, 48272), (574, 44824), (656, 39221), (728, 35342), (862, 29848), (1066, 24136), (1148, 22412), (1456, 17671), (1724, 14924), (2132, 12068), (2296, 11206), (3017, 8528), (3448, 7462), (3731, 6896), (4264, 6034), (4592, 5603)]