209218471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{44543}}^1$

素因数の和:44622

約数の個数: 16

約数和(自身を含む): 265125888

約数和(自身を除く): 55907417

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 44543, 311801, 489973, 2717123, 3429811, 19019861, 29888353, 209218471]

約数ペア:

[(1, 209218471), (7, 29888353), (11, 19019861), (61, 3429811), (77, 2717123), (427, 489973), (671, 311801), (4697, 44543)]