257101432

素因数分解:

$2^3\times 7^2\times {\mathrm{617}}^1\times {\mathrm{1063}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 562206960

約数和(自身を除く): 305105528

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 617, 1063, 1234, 2126, 2468, 4252, 4319, 4936, 7441, 8504, 8638, 14882, 17276, 29764, 30233, 34552, 52087, 59528, 60466, 104174, 120932, 208348, 241864, 416696, 655871, 1311742, 2623484, 4591097, 5246968, 9182194, 18364388, 32137679, 36728776, 64275358, 128550716, 257101432]

約数ペア:

[(1, 257101432), (2, 128550716), (4, 64275358), (7, 36728776), (8, 32137679), (14, 18364388), (28, 9182194), (49, 5246968), (56, 4591097), (98, 2623484), (196, 1311742), (392, 655871), (617, 416696), (1063, 241864), (1234, 208348), (2126, 120932), (2468, 104174), (4252, 60466), (4319, 59528), (4936, 52087), (7441, 34552), (8504, 30233), (8638, 29764), (14882, 17276)]