398710102

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{204887}}^1$

素因数の和:205035

約数の個数: 16

約数和(自身を含む): 688423680

約数和(自身を除く): 289713578

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 204887, 409774, 1434209, 2868418, 28479293, 56958586, 199355051, 398710102]

約数ペア:

[(1, 398710102), (2, 199355051), (7, 56958586), (14, 28479293), (139, 2868418), (278, 1434209), (973, 409774), (1946, 204887)]