397718282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{493447}}^1$

素因数の和:493493

約数の個数: 16

約数和(自身を含む): 663194112

約数和(自身を除く): 265475830

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 493447, 986894, 6414811, 12829622, 15296857, 30593714, 198859141, 397718282]

約数ペア:

[(1, 397718282), (2, 198859141), (13, 30593714), (26, 15296857), (31, 12829622), (62, 6414811), (403, 986894), (806, 493447)]