39878993

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 50982624

約数和(自身を除く): 11103631

約数列:

[1, 7, 11, 49, 77, 241, 307, 539, 1687, 2149, 2651, 3377, 11809, 15043, 18557, 23639, 73987, 129899, 165473, 517909, 813857, 3625363, 5696999, 39878993]

約数ペア:

[(1, 39878993), (7, 5696999), (11, 3625363), (49, 813857), (77, 517909), (241, 165473), (307, 129899), (539, 73987), (1687, 23639), (2149, 18557), (2651, 15043), (3377, 11809)]