137428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 24

約数和(自身を含む): 266112

約数和(自身を除く): 128684

約数列:

[1, 2, 4, 17, 34, 43, 47, 68, 86, 94, 172, 188, 731, 799, 1462, 1598, 2021, 2924, 3196, 4042, 8084, 34357, 68714, 137428]

約数ペア:

[(1, 137428), (2, 68714), (4, 34357), (17, 8084), (34, 4042), (43, 3196), (47, 2924), (68, 2021), (86, 1598), (94, 1462), (172, 799), (188, 731)]