1621136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 3505728

約数和(自身を除く): 1884592

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 151, 176, 244, 302, 488, 604, 671, 976, 1208, 1342, 1661, 2416, 2684, 3322, 5368, 6644, 9211, 10736, 13288, 18422, 26576, 36844, 73688, 101321, 147376, 202642, 405284, 810568, 1621136]

約数ペア:

[(1, 1621136), (2, 810568), (4, 405284), (8, 202642), (11, 147376), (16, 101321), (22, 73688), (44, 36844), (61, 26576), (88, 18422), (122, 13288), (151, 10736), (176, 9211), (244, 6644), (302, 5368), (488, 3322), (604, 2684), (671, 2416), (976, 1661), (1208, 1342)]