212966908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691451}}^1$

素因数の和:691473

約数の個数: 24

約数和(自身を含む): 464655744

約数和(自身を除く): 251688836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 691451, 1382902, 2765804, 4840157, 7605961, 9680314, 15211922, 19360628, 30423844, 53241727, 106483454, 212966908]

約数ペア:

[(1, 212966908), (2, 106483454), (4, 53241727), (7, 30423844), (11, 19360628), (14, 15211922), (22, 9680314), (28, 7605961), (44, 4840157), (77, 2765804), (154, 1382902), (308, 691451)]