561609890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{251843}}^1$

素因数の和:252073

約数の個数: 16

約数和(自身を含む): 1015435008

約数和(自身を除く): 453825118

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 251843, 503686, 1259215, 2518430, 56160989, 112321978, 280804945, 561609890]

約数ペア:

[(1, 561609890), (2, 280804945), (5, 112321978), (10, 56160989), (223, 2518430), (446, 1259215), (1115, 503686), (2230, 251843)]