56156639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 75119616

約数和(自身を除く): 18962977

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 851, 857, 1771, 2849, 5957, 5999, 9361, 9427, 19711, 31709, 65527, 65989, 137977, 216821, 221963, 348799, 729307, 1517747, 2441593, 5105149, 8022377, 56156639]

約数ペア:

[(1, 56156639), (7, 8022377), (11, 5105149), (23, 2441593), (37, 1517747), (77, 729307), (161, 348799), (253, 221963), (259, 216821), (407, 137977), (851, 65989), (857, 65527), (1771, 31709), (2849, 19711), (5957, 9427), (5999, 9361)]