123991615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{2687}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 162570240

約数和(自身を除く): 38578625

約数列:

[1, 5, 11, 55, 839, 2687, 4195, 9229, 13435, 29557, 46145, 147785, 2254393, 11271965, 24798323, 123991615]

約数ペア:

[(1, 123991615), (5, 24798323), (11, 11271965), (55, 2254393), (839, 147785), (2687, 46145), (4195, 29557), (9229, 13435)]