15643540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 36114624

約数和(自身を除く): 20471084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 337, 422, 674, 844, 1055, 1348, 1685, 2110, 2321, 3370, 3707, 4220, 4642, 6740, 7414, 9284, 11605, 14828, 18535, 23210, 37070, 46420, 71107, 74140, 142214, 284428, 355535, 711070, 782177, 1422140, 1564354, 3128708, 3910885, 7821770, 15643540]

約数ペア:

[(1, 15643540), (2, 7821770), (4, 3910885), (5, 3128708), (10, 1564354), (11, 1422140), (20, 782177), (22, 711070), (44, 355535), (55, 284428), (110, 142214), (211, 74140), (220, 71107), (337, 46420), (422, 37070), (674, 23210), (844, 18535), (1055, 14828), (1348, 11605), (1685, 9284), (2110, 7414), (2321, 6740), (3370, 4642), (3707, 4220)]