678522964

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{214451}}^1$

素因数の和:214575

約数の個数: 24

約数和(自身を含む): 1369061568

約数和(自身を除く): 690538604

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 214451, 428902, 857804, 1501157, 3002314, 6004628, 24232963, 48465926, 96931852, 169630741, 339261482, 678522964]

約数ペア:

[(1, 678522964), (2, 339261482), (4, 169630741), (7, 96931852), (14, 48465926), (28, 24232963), (113, 6004628), (226, 3002314), (452, 1501157), (791, 857804), (1582, 428902), (3164, 214451)]