128798876

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{4339}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 232224720

約数和(自身を除く): 103425844

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 4339, 7421, 8678, 14842, 17356, 29684, 177899, 355798, 711596, 785359, 1570718, 3141436, 32199719, 64399438, 128798876]

約数ペア:

[(1, 128798876), (2, 64399438), (4, 32199719), (41, 3141436), (82, 1570718), (164, 785359), (181, 711596), (362, 355798), (724, 177899), (4339, 29684), (7421, 17356), (8678, 14842)]