220545796

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{13219}}^1$

素因数の和:13363

約数の個数: 24

約数和(自身を含む): 399032480

約数和(自身を除く): 178486684

約数列:

[1, 2, 4, 43, 86, 97, 172, 194, 388, 4171, 8342, 13219, 16684, 26438, 52876, 568417, 1136834, 1282243, 2273668, 2564486, 5128972, 55136449, 110272898, 220545796]

約数ペア:

[(1, 220545796), (2, 110272898), (4, 55136449), (43, 5128972), (86, 2564486), (97, 2273668), (172, 1282243), (194, 1136834), (388, 568417), (4171, 52876), (8342, 26438), (13219, 16684)]