257016032

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88261}}^1$

素因数の和:88291

約数の個数: 48

約数和(自身を含む): 622776672

約数和(自身を除く): 365760640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 88261, 176522, 353044, 617827, 706088, 1147393, 1235654, 1412176, 2294786, 2471308, 2824352, 4589572, 4942616, 8031751, 9179144, 9885232, 16063502, 18358288, 19770464, 32127004, 36716576, 64254008, 128508016, 257016032]

約数ペア:

[(1, 257016032), (2, 128508016), (4, 64254008), (7, 36716576), (8, 32127004), (13, 19770464), (14, 18358288), (16, 16063502), (26, 9885232), (28, 9179144), (32, 8031751), (52, 4942616), (56, 4589572), (91, 2824352), (104, 2471308), (112, 2294786), (182, 1412176), (208, 1235654), (224, 1147393), (364, 706088), (416, 617827), (728, 353044), (1456, 176522), (2912, 88261)]