9980816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 20132640

約数和(自身を除く): 10151824

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 163, 172, 178, 326, 344, 356, 652, 688, 712, 1304, 1424, 2608, 3827, 7009, 7654, 14018, 14507, 15308, 28036, 29014, 30616, 56072, 58028, 61232, 112144, 116056, 232112, 623801, 1247602, 2495204, 4990408, 9980816]

約数ペア:

[(1, 9980816), (2, 4990408), (4, 2495204), (8, 1247602), (16, 623801), (43, 232112), (86, 116056), (89, 112144), (163, 61232), (172, 58028), (178, 56072), (326, 30616), (344, 29014), (356, 28036), (652, 15308), (688, 14507), (712, 14018), (1304, 7654), (1424, 7009), (2608, 3827)]