99999890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{44843}}^1$

素因数の和:45073

約数の個数: 16

約数和(自身を含む): 180811008

約数和(自身を除く): 80811118

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 44843, 89686, 224215, 448430, 9999989, 19999978, 49999945, 99999890]

約数ペア:

[(1, 99999890), (2, 49999945), (5, 19999978), (10, 9999989), (223, 448430), (446, 224215), (1115, 89686), (2230, 44843)]