81980552

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{22229}}^1$

素因数の和:22696

約数の個数: 16

約数和(自身を含む): 154053900

約数和(自身を除く): 72073348

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 22229, 44458, 88916, 177832, 10247569, 20495138, 40990276, 81980552]

約数ペア:

[(1, 81980552), (2, 40990276), (4, 20495138), (8, 10247569), (461, 177832), (922, 88916), (1844, 44458), (3688, 22229)]