64404755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 85307904

約数和(自身を除く): 20903149

約数列:

[1, 5, 17, 43, 67, 85, 215, 263, 335, 731, 1139, 1315, 2881, 3655, 4471, 5695, 11309, 14405, 17621, 22355, 48977, 56545, 88105, 192253, 244885, 299557, 757703, 961265, 1497785, 3788515, 12880951, 64404755]

約数ペア:

[(1, 64404755), (5, 12880951), (17, 3788515), (43, 1497785), (67, 961265), (85, 757703), (215, 299557), (263, 244885), (335, 192253), (731, 88105), (1139, 56545), (1315, 48977), (2881, 22355), (3655, 17621), (4471, 14405), (5695, 11309)]