421206974

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1\times {\mathrm{2137}}^1$

素因数の和:2987

約数の個数: 16

約数和(自身を含む): 637551600

約数和(自身を除く): 216344626

約数列:

[1, 2, 139, 278, 709, 1418, 2137, 4274, 98551, 197102, 297043, 594086, 1515133, 3030266, 210603487, 421206974]

約数ペア:

[(1, 421206974), (2, 210603487), (139, 3030266), (278, 1515133), (709, 594086), (1418, 297043), (2137, 197102), (4274, 98551)]