129021910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181721}}^1$

素因数の和:181799

約数の個数: 16

約数和(自身を含む): 235511712

約数和(自身を除く): 106489802

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 181721, 363442, 908605, 1817210, 12902191, 25804382, 64510955, 129021910]

約数ペア:

[(1, 129021910), (2, 64510955), (5, 25804382), (10, 12902191), (71, 1817210), (142, 908605), (355, 363442), (710, 181721)]