87280856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49367}}^1$

素因数の和:49403

約数の個数: 32

約数和(自身を含む): 186611040

約数和(自身を除く): 99330184

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 49367, 98734, 197468, 394936, 641771, 839239, 1283542, 1678478, 2567084, 3356956, 5134168, 6713912, 10910107, 21820214, 43640428, 87280856]

約数ペア:

[(1, 87280856), (2, 43640428), (4, 21820214), (8, 10910107), (13, 6713912), (17, 5134168), (26, 3356956), (34, 2567084), (52, 1678478), (68, 1283542), (104, 839239), (136, 641771), (221, 394936), (442, 197468), (884, 98734), (1768, 49367)]