639732886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{14149}}^1$

素因数の和:14248

約数の個数: 32

約数和(自身を含む): 1084003200

約数和(自身を除く): 444270314

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 481, 611, 962, 1222, 1739, 3478, 14149, 22607, 28298, 45214, 183937, 367874, 523513, 665003, 1047026, 1330006, 6805669, 8645039, 13611338, 17290078, 24605111, 49210222, 319866443, 639732886]

約数ペア:

[(1, 639732886), (2, 319866443), (13, 49210222), (26, 24605111), (37, 17290078), (47, 13611338), (74, 8645039), (94, 6805669), (481, 1330006), (611, 1047026), (962, 665003), (1222, 523513), (1739, 367874), (3478, 183937), (14149, 45214), (22607, 28298)]