81733730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{628721}}^1$

素因数の和:628741

約数の個数: 16

約数和(自身を含む): 158437944

約数和(自身を除く): 76704214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 628721, 1257442, 3143605, 6287210, 8173373, 16346746, 40866865, 81733730]

約数ペア:

[(1, 81733730), (2, 40866865), (5, 16346746), (10, 8173373), (13, 6287210), (26, 3143605), (65, 1257442), (130, 628721)]