11981930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 22636800

約数和(自身を除く): 10654870

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 523, 790, 1046, 2291, 2615, 4582, 5230, 11455, 15167, 22910, 30334, 41317, 75835, 82634, 151670, 206585, 413170, 1198193, 2396386, 5990965, 11981930]

約数ペア:

[(1, 11981930), (2, 5990965), (5, 2396386), (10, 1198193), (29, 413170), (58, 206585), (79, 151670), (145, 82634), (158, 75835), (290, 41317), (395, 30334), (523, 22910), (790, 15167), (1046, 11455), (2291, 5230), (2615, 4582)]