81458312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21169}}^1$

素因数の和:21225

約数の個数: 32

約数和(自身を含む): 168936600

約数和(自身を除く): 87478288

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 21169, 42338, 84676, 169352, 275197, 550394, 783253, 1100788, 1566506, 2201576, 3133012, 6266024, 10182289, 20364578, 40729156, 81458312]

約数ペア:

[(1, 81458312), (2, 40729156), (4, 20364578), (8, 10182289), (13, 6266024), (26, 3133012), (37, 2201576), (52, 1566506), (74, 1100788), (104, 783253), (148, 550394), (296, 275197), (481, 169352), (962, 84676), (1924, 42338), (3848, 21169)]