72897016

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{222247}}^1$

素因数の和:222294

約数の個数: 16

約数和(自身を含む): 140016240

約数和(自身を除く): 67119224

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 222247, 444494, 888988, 1777976, 9112127, 18224254, 36448508, 72897016]

約数ペア:

[(1, 72897016), (2, 36448508), (4, 18224254), (8, 9112127), (41, 1777976), (82, 888988), (164, 444494), (328, 222247)]