221696167

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 294243840

約数和(自身を除く): 72547673

約数列:

[1, 7, 11, 17, 77, 119, 187, 257, 659, 1309, 1799, 2827, 4369, 4613, 7249, 11203, 19789, 30583, 48059, 50743, 78421, 123233, 169363, 336413, 862631, 1185541, 1862993, 2879171, 13040951, 20154197, 31670881, 221696167]

約数ペア:

[(1, 221696167), (7, 31670881), (11, 20154197), (17, 13040951), (77, 2879171), (119, 1862993), (187, 1185541), (257, 862631), (659, 336413), (1309, 169363), (1799, 123233), (2827, 78421), (4369, 50743), (4613, 48059), (7249, 30583), (11203, 19789)]