187210639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2935

約数の個数: 32

約数和(自身を含む): 250223616

約数和(自身を除く): 63012977

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 851, 1771, 2849, 2857, 5957, 9361, 19999, 31427, 65527, 65711, 105709, 219989, 459977, 722821, 739963, 1162799, 2431307, 5059747, 8139593, 17019149, 26744377, 187210639]

約数ペア:

[(1, 187210639), (7, 26744377), (11, 17019149), (23, 8139593), (37, 5059747), (77, 2431307), (161, 1162799), (253, 739963), (259, 722821), (407, 459977), (851, 219989), (1771, 105709), (2849, 65711), (2857, 65527), (5957, 31427), (9361, 19999)]