27720209530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213232381}}^1$

素因数の和:213232401

約数の個数: 16

約数和(自身を含む): 53734560264

約数和(自身を除く): 26014350734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 213232381, 426464762, 1066161905, 2132323810, 2772020953, 5544041906, 13860104765, 27720209530]

約数ペア:

[(1, 27720209530), (2, 13860104765), (5, 5544041906), (10, 2772020953), (13, 2132323810), (26, 1066161905), (65, 426464762), (130, 213232381)]