280136744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47903}}^1$

素因数の和:47969

約数の個数: 32

約数和(自身を含む): 569099520

約数和(自身を除く): 288962776

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 47903, 95806, 191612, 383224, 814351, 1628702, 2059829, 3257404, 4119658, 6514808, 8239316, 16478632, 35017093, 70034186, 140068372, 280136744]

約数ペア:

[(1, 280136744), (2, 140068372), (4, 70034186), (8, 35017093), (17, 16478632), (34, 8239316), (43, 6514808), (68, 4119658), (86, 3257404), (136, 2059829), (172, 1628702), (344, 814351), (731, 383224), (1462, 191612), (2924, 95806), (5848, 47903)]