214620505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{19609}}^1$

素因数の和:19824

約数の個数: 16

約数和(自身を含む): 282384000

約数和(自身を除く): 67763495

約数列:

[1, 5, 11, 55, 199, 995, 2189, 10945, 19609, 98045, 215699, 1078495, 3902191, 19510955, 42924101, 214620505]

約数ペア:

[(1, 214620505), (5, 42924101), (11, 19510955), (55, 3902191), (199, 1078495), (995, 215699), (2189, 98045), (10945, 19609)]