405284

素因数分解:

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

素因数の和:227

約数の個数: 24

約数和(自身を含む): 791616

約数和(自身を除く): 386332

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 151, 244, 302, 604, 671, 1342, 1661, 2684, 3322, 6644, 9211, 18422, 36844, 101321, 202642, 405284]

約数ペア:

[(1, 405284), (2, 202642), (4, 101321), (11, 36844), (22, 18422), (44, 9211), (61, 6644), (122, 3322), (151, 2684), (244, 1661), (302, 1342), (604, 671)]