216931055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{769}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 81114385

約数列:

[1, 5, 11, 23, 55, 115, 223, 253, 769, 1115, 1265, 2453, 3845, 5129, 8459, 12265, 17687, 25645, 42295, 56419, 88435, 171487, 194557, 282095, 857435, 972785, 1886357, 3944201, 9431785, 19721005, 43386211, 216931055]

約数ペア:

[(1, 216931055), (5, 43386211), (11, 19721005), (23, 9431785), (55, 3944201), (115, 1886357), (223, 972785), (253, 857435), (769, 282095), (1115, 194557), (1265, 171487), (2453, 88435), (3845, 56419), (5129, 42295), (8459, 25645), (12265, 17687)]