1997705215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{8059}}^1\times {\mathrm{4507}}^1$

素因数の和:12582

約数の個数: 16

約数和(自身を含む): 2616082560

約数和(自身を除く): 618377345

約数列:

[1, 5, 11, 55, 4507, 8059, 22535, 40295, 49577, 88649, 247885, 443245, 36321913, 181609565, 399541043, 1997705215]

約数ペア:

[(1, 1997705215), (5, 399541043), (11, 181609565), (55, 36321913), (4507, 443245), (8059, 247885), (22535, 88649), (40295, 49577)]