858554431

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{196871}}^1$

素因数の和:196974

約数の個数: 12

約数和(自身を含む): 1009953360

約数和(自身を除く): 151398929

約数列:

[1, 7, 49, 89, 623, 4361, 196871, 1378097, 9646679, 17521519, 122650633, 858554431]

約数ペア:

[(1, 858554431), (7, 122650633), (49, 17521519), (89, 9646679), (623, 1378097), (4361, 196871)]