257897992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 547747200

約数和(自身を除く): 289849208

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 103, 148, 206, 296, 407, 412, 769, 814, 824, 1133, 1538, 1628, 2266, 3076, 3256, 3811, 4532, 6152, 7622, 8459, 9064, 15244, 16918, 28453, 30488, 33836, 41921, 56906, 67672, 79207, 83842, 113812, 158414, 167684, 227624, 312983, 316828, 335368, 625966, 633656, 871277, 1251932, 1742554, 2503864, 2930659, 3485108, 5861318, 6970216, 11722636, 23445272, 32237249, 64474498, 128948996, 257897992]

約数ペア:

[(1, 257897992), (2, 128948996), (4, 64474498), (8, 32237249), (11, 23445272), (22, 11722636), (37, 6970216), (44, 5861318), (74, 3485108), (88, 2930659), (103, 2503864), (148, 1742554), (206, 1251932), (296, 871277), (407, 633656), (412, 625966), (769, 335368), (814, 316828), (824, 312983), (1133, 227624), (1538, 167684), (1628, 158414), (2266, 113812), (3076, 83842), (3256, 79207), (3811, 67672), (4532, 56906), (6152, 41921), (7622, 33836), (8459, 30488), (9064, 28453), (15244, 16918)]