1639454971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{349043}}^1$

素因数の和:349122

約数の個数: 16

約数和(自身を含む): 2077509888

約数和(自身を除く): 438054917

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 349043, 2443301, 3839473, 21291623, 26876311, 149041361, 234207853, 1639454971]

約数ペア:

[(1, 1639454971), (7, 234207853), (11, 149041361), (61, 26876311), (77, 21291623), (427, 3839473), (671, 2443301), (4697, 349043)]