78761272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{2137}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 157014720

約数和(自身を除く): 78253448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 1084, 2137, 2168, 4274, 4607, 8548, 9214, 17096, 18428, 36329, 36856, 72658, 145316, 290632, 579127, 1158254, 2316508, 4633016, 9845159, 19690318, 39380636, 78761272]

約数ペア:

[(1, 78761272), (2, 39380636), (4, 19690318), (8, 9845159), (17, 4633016), (34, 2316508), (68, 1158254), (136, 579127), (271, 290632), (542, 145316), (1084, 72658), (2137, 36856), (2168, 36329), (4274, 18428), (4607, 17096), (8548, 9214)]