81454568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10729}}^1$

素因数の和:10821

約数の個数: 32

約数和(自身を含む): 166744200

約数和(自身を除く): 85289632

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 10729, 21458, 42916, 85832, 139477, 278954, 557908, 783217, 1115816, 1566434, 3132868, 6265736, 10181821, 20363642, 40727284, 81454568]

約数ペア:

[(1, 81454568), (2, 40727284), (4, 20363642), (8, 10181821), (13, 6265736), (26, 3132868), (52, 1566434), (73, 1115816), (104, 783217), (146, 557908), (292, 278954), (584, 139477), (949, 85832), (1898, 42916), (3796, 21458), (7592, 10729)]