28456148

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 60681600

約数和(自身を除く): 32225452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 89, 133, 178, 266, 356, 532, 601, 623, 1202, 1246, 1691, 2404, 2492, 3382, 4207, 6764, 8414, 11419, 11837, 16828, 22838, 23674, 45676, 47348, 53489, 79933, 106978, 159866, 213956, 319732, 374423, 748846, 1016291, 1497692, 2032582, 4065164, 7114037, 14228074, 28456148]

約数ペア:

[(1, 28456148), (2, 14228074), (4, 7114037), (7, 4065164), (14, 2032582), (19, 1497692), (28, 1016291), (38, 748846), (76, 374423), (89, 319732), (133, 213956), (178, 159866), (266, 106978), (356, 79933), (532, 53489), (601, 47348), (623, 45676), (1202, 23674), (1246, 22838), (1691, 16828), (2404, 11837), (2492, 11419), (3382, 8414), (4207, 6764)]