620427388

素因数分解:

$2^2\times 7^1\times {\mathrm{22158121}}^1$

素因数の和:22158132

約数の個数: 12

約数和(自身を含む): 1240854832

約数和(自身を除く): 620427444

約数列:

[1, 2, 4, 7, 14, 28, 22158121, 44316242, 88632484, 155106847, 310213694, 620427388]

約数ペア:

[(1, 620427388), (2, 310213694), (4, 155106847), (7, 88632484), (14, 44316242), (28, 22158121)]