128768530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1447}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 253342080

約数和(自身を除く): 124573550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 809, 1447, 1618, 2894, 4045, 7235, 8090, 8899, 14470, 15917, 17798, 31834, 44495, 79585, 88990, 159170, 1170623, 2341246, 5853115, 11706230, 12876853, 25753706, 64384265, 128768530]

約数ペア:

[(1, 128768530), (2, 64384265), (5, 25753706), (10, 12876853), (11, 11706230), (22, 5853115), (55, 2341246), (110, 1170623), (809, 159170), (1447, 88990), (1618, 79585), (2894, 44495), (4045, 31834), (7235, 17798), (8090, 15917), (8899, 14470)]