128770581010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{415388971}}^1$

素因数の和:415389009

約数の個数: 16

約数和(自身を含む): 239264047872

約数和(自身を除く): 110493466862

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 415388971, 830777942, 2076944855, 4153889710, 12877058101, 25754116202, 64385290505, 128770581010]

約数ペア:

[(1, 128770581010), (2, 64385290505), (5, 25754116202), (10, 12877058101), (31, 4153889710), (62, 2076944855), (155, 830777942), (310, 415388971)]