1238863090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1391981}}^1$

素因数の和:1392077

約数の個数: 16

約数和(自身を含む): 2255010840

約数和(自身を除く): 1016147750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1391981, 2783962, 6959905, 13919810, 123886309, 247772618, 619431545, 1238863090]

約数ペア:

[(1, 1238863090), (2, 619431545), (5, 247772618), (10, 123886309), (89, 13919810), (178, 6959905), (445, 2783962), (890, 1391981)]