90500008

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1163}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 173482560

約数和(自身を除く): 82982552

約数列:

[1, 2, 4, 8, 71, 137, 142, 274, 284, 548, 568, 1096, 1163, 2326, 4652, 9304, 9727, 19454, 38908, 77816, 82573, 159331, 165146, 318662, 330292, 637324, 660584, 1274648, 11312501, 22625002, 45250004, 90500008]

約数ペア:

[(1, 90500008), (2, 45250004), (4, 22625002), (8, 11312501), (71, 1274648), (137, 660584), (142, 637324), (274, 330292), (284, 318662), (548, 165146), (568, 159331), (1096, 82573), (1163, 77816), (2326, 38908), (4652, 19454), (9304, 9727)]