90991016

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 174799080

約数和(自身を除く): 83808064

約数列:

[1, 2, 4, 8, 61, 122, 137, 244, 274, 488, 548, 1096, 1361, 2722, 5444, 8357, 10888, 16714, 33428, 66856, 83021, 166042, 186457, 332084, 372914, 664168, 745828, 1491656, 11373877, 22747754, 45495508, 90991016]

約数ペア:

[(1, 90991016), (2, 45495508), (4, 22747754), (8, 11373877), (61, 1491656), (122, 745828), (137, 664168), (244, 372914), (274, 332084), (488, 186457), (548, 166042), (1096, 83021), (1361, 66856), (2722, 33428), (5444, 16714), (8357, 10888)]