198151405

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 254085480

約数和(自身を除く): 55934075

約数列:

[1, 5, 17, 85, 241, 289, 569, 1205, 1445, 2845, 4097, 9673, 20485, 48365, 69649, 137129, 164441, 348245, 685645, 822205, 2331193, 11655965, 39630281, 198151405]

約数ペア:

[(1, 198151405), (5, 39630281), (17, 11655965), (85, 2331193), (241, 822205), (289, 685645), (569, 348245), (1205, 164441), (1445, 137129), (2845, 69649), (4097, 48365), (9673, 20485)]