278314777

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 316434816

約数和(自身を除く): 38120039

約数列:

[1, 13, 37, 47, 169, 481, 611, 947, 1739, 6253, 7943, 12311, 22607, 35039, 44509, 160043, 293891, 455507, 578617, 1646833, 5921591, 7522021, 21408829, 278314777]

約数ペア:

[(1, 278314777), (13, 21408829), (37, 7522021), (47, 5921591), (169, 1646833), (481, 578617), (611, 455507), (947, 293891), (1739, 160043), (6253, 44509), (7943, 35039), (12311, 22607)]