22155505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4273}}^1$

素因数の和:4356

約数の個数: 16

約数和(自身を含む): 28618704

約数和(自身を除く): 6463199

約数列:

[1, 5, 17, 61, 85, 305, 1037, 4273, 5185, 21365, 72641, 260653, 363205, 1303265, 4431101, 22155505]

約数ペア:

[(1, 22155505), (5, 4431101), (17, 1303265), (61, 363205), (85, 260653), (305, 72641), (1037, 21365), (4273, 5185)]