1985428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3610880

約数和(自身を除く): 1625452

約数列:

[1, 2, 4, 61, 79, 103, 122, 158, 206, 244, 316, 412, 4819, 6283, 8137, 9638, 12566, 16274, 19276, 25132, 32548, 496357, 992714, 1985428]

約数ペア:

[(1, 1985428), (2, 992714), (4, 496357), (61, 32548), (79, 25132), (103, 19276), (122, 16274), (158, 12566), (206, 9638), (244, 8137), (316, 6283), (412, 4819)]