12491915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 15676416

約数和(自身を除く): 3184501

約数列:

[1, 5, 31, 83, 155, 415, 971, 2573, 4855, 12865, 30101, 80593, 150505, 402965, 2498383, 12491915]

約数ペア:

[(1, 12491915), (5, 2498383), (31, 402965), (83, 150505), (155, 80593), (415, 30101), (971, 12865), (2573, 4855)]