209420078

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{515813}}^1$

素因数の和:515851

約数の個数: 16

約数和(自身を含む): 371386080

約数和(自身を除く): 161966002

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 515813, 1031626, 3610691, 7221382, 14958577, 29917154, 104710039, 209420078]

約数ペア:

[(1, 209420078), (2, 104710039), (7, 29917154), (14, 14958577), (29, 7221382), (58, 3610691), (203, 1031626), (406, 515813)]