420850918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{102797}}^1$

素因数の和:102911

約数の個数: 16

約数和(自身を含む): 666131040

約数和(自身を除く): 245280122

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 102797, 205594, 2364331, 4728662, 9148933, 18297866, 210425459, 420850918]

約数ペア:

[(1, 420850918), (2, 210425459), (23, 18297866), (46, 9148933), (89, 4728662), (178, 2364331), (2047, 205594), (4094, 102797)]