128202428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 228251520

約数和(自身を除く): 100049092

約数列:

[1, 2, 4, 71, 142, 284, 443, 886, 1019, 1772, 2038, 4076, 31453, 62906, 72349, 125812, 144698, 289396, 451417, 902834, 1805668, 32050607, 64101214, 128202428]

約数ペア:

[(1, 128202428), (2, 64101214), (4, 32050607), (71, 1805668), (142, 902834), (284, 451417), (443, 289396), (886, 144698), (1019, 125812), (1772, 72349), (2038, 62906), (4076, 31453)]