4991992

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{20129}}^1$

素因数の和:20166

約数の個数: 16

約数和(自身を含む): 9662400

約数和(自身を除く): 4670408

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 20129, 40258, 80516, 161032, 623999, 1247998, 2495996, 4991992]

約数ペア:

[(1, 4991992), (2, 2495996), (4, 1247998), (8, 623999), (31, 161032), (62, 80516), (124, 40258), (248, 20129)]