2220220995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{55457}}^1$

素因数の和:55639

約数の個数: 32

約数和(自身を含む): 3785341248

約数和(自身を除く): 1565120253

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 2355, 2669, 8007, 13345, 40035, 55457, 166371, 277285, 831855, 942769, 2828307, 4713845, 8706749, 14141535, 26120247, 43533745, 130601235, 148014733, 444044199, 740073665, 2220220995]

約数ペア:

[(1, 2220220995), (3, 740073665), (5, 444044199), (15, 148014733), (17, 130601235), (51, 43533745), (85, 26120247), (157, 14141535), (255, 8706749), (471, 4713845), (785, 2828307), (2355, 942769), (2669, 831855), (8007, 277285), (13345, 166371), (40035, 55457)]