128423416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{11491}}^1$

素因数の和:11635

約数の個数: 32

約数和(自身を含む): 264775680

約数和(自身を除く): 136352264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 2794, 5588, 11176, 11491, 22982, 45964, 91928, 126401, 252802, 505604, 1011208, 1459357, 2918714, 5837428, 11674856, 16052927, 32105854, 64211708, 128423416]

約数ペア:

[(1, 128423416), (2, 64211708), (4, 32105854), (8, 16052927), (11, 11674856), (22, 5837428), (44, 2918714), (88, 1459357), (127, 1011208), (254, 505604), (508, 252802), (1016, 126401), (1397, 91928), (2794, 45964), (5588, 22982), (11176, 11491)]