221394964

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{14947}}^1$

素因数の和:15004

約数の個数: 36

約数和(自身を含む): 462909664

約数和(自身を除く): 241514700

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 2116, 3703, 7406, 14812, 14947, 29894, 59788, 104629, 209258, 343781, 418516, 687562, 1375124, 2406467, 4812934, 7906963, 9625868, 15813926, 31627852, 55348741, 110697482, 221394964]

約数ペア:

[(1, 221394964), (2, 110697482), (4, 55348741), (7, 31627852), (14, 15813926), (23, 9625868), (28, 7906963), (46, 4812934), (92, 2406467), (161, 1375124), (322, 687562), (529, 418516), (644, 343781), (1058, 209258), (2116, 104629), (3703, 59788), (7406, 29894), (14812, 14947)]