1280821674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{524497}}^1$

素因数の和:524550

約数の個数: 32

約数和(自身を含む): 2870053056

約数和(自身を除く): 1589231382

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 524497, 1048994, 1573491, 3146982, 5769467, 11538934, 17308401, 19406389, 34616802, 38812778, 58219167, 116438334, 213470279, 426940558, 640410837, 1280821674]

約数ペア:

[(1, 1280821674), (2, 640410837), (3, 426940558), (6, 213470279), (11, 116438334), (22, 58219167), (33, 38812778), (37, 34616802), (66, 19406389), (74, 17308401), (111, 11538934), (222, 5769467), (407, 3146982), (814, 1573491), (1221, 1048994), (2442, 524497)]