128014784

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 56

約数和(自身を含む): 262390128

約数和(自身を除く): 134375344

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 181, 257, 344, 362, 514, 688, 724, 1028, 1376, 1448, 2056, 2752, 2896, 4112, 5792, 7783, 8224, 11051, 11584, 15566, 16448, 22102, 31132, 44204, 46517, 62264, 88408, 93034, 124528, 176816, 186068, 249056, 353632, 372136, 498112, 707264, 744272, 1488544, 2000231, 2977088, 4000462, 8000924, 16001848, 32003696, 64007392, 128014784]

約数ペア:

[(1, 128014784), (2, 64007392), (4, 32003696), (8, 16001848), (16, 8000924), (32, 4000462), (43, 2977088), (64, 2000231), (86, 1488544), (172, 744272), (181, 707264), (257, 498112), (344, 372136), (362, 353632), (514, 249056), (688, 186068), (724, 176816), (1028, 124528), (1376, 93034), (1448, 88408), (2056, 62264), (2752, 46517), (2896, 44204), (4112, 31132), (5792, 22102), (7783, 16448), (8224, 15566), (11051, 11584)]