213550605890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239944501}}^1$

素因数の和:239944597

約数の個数: 16

約数和(自身を含む): 388710093240

約数和(自身を除く): 175159487350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 239944501, 479889002, 1199722505, 2399445010, 21355060589, 42710121178, 106775302945, 213550605890]

約数ペア:

[(1, 213550605890), (2, 106775302945), (5, 42710121178), (10, 21355060589), (89, 2399445010), (178, 1199722505), (445, 479889002), (890, 239944501)]