1277969615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{20983}}^1$

素因数の和:21938

約数の個数: 16

約数和(自身を含む): 1653371328

約数和(自身を除く): 375401713

約数列:

[1, 5, 13, 65, 937, 4685, 12181, 20983, 60905, 104915, 272779, 1363895, 19661071, 98305355, 255593923, 1277969615]

約数ペア:

[(1, 1277969615), (5, 255593923), (13, 98305355), (65, 19661071), (937, 1363895), (4685, 272779), (12181, 104915), (20983, 60905)]