218969842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2137}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 405159552

約数和(自身を除く): 186189710

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 563, 1126, 2137, 3941, 4274, 7319, 7882, 14638, 14959, 27781, 29918, 51233, 55562, 102466, 194467, 388934, 1203131, 2406262, 8421917, 15640703, 16843834, 31281406, 109484921, 218969842]

約数ペア:

[(1, 218969842), (2, 109484921), (7, 31281406), (13, 16843834), (14, 15640703), (26, 8421917), (91, 2406262), (182, 1203131), (563, 388934), (1126, 194467), (2137, 102466), (3941, 55562), (4274, 51233), (7319, 29918), (7882, 27781), (14638, 14959)]