81511404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{40193}}^1$

素因数の和:40226

約数の個数: 36

約数和(自身を含む): 205954056

約数和(自身を除く): 124442652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 40193, 80386, 120579, 160772, 241158, 482316, 522509, 1045018, 1567527, 2090036, 3135054, 6270108, 6792617, 13585234, 20377851, 27170468, 40755702, 81511404]

約数ペア:

[(1, 81511404), (2, 40755702), (3, 27170468), (4, 20377851), (6, 13585234), (12, 6792617), (13, 6270108), (26, 3135054), (39, 2090036), (52, 1567527), (78, 1045018), (156, 522509), (169, 482316), (338, 241158), (507, 160772), (676, 120579), (1014, 80386), (2028, 40193)]