13981121555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1\times {\mathrm{2543}}^1$

素因数の和:3547

約数の個数: 32

約数和(自身を含む): 18041315328

約数和(自身を除く): 4060193773

約数列:

[1, 5, 17, 71, 85, 355, 911, 1207, 2543, 4555, 6035, 12715, 15487, 43231, 64681, 77435, 180553, 216155, 323405, 902765, 1099577, 2316673, 3069401, 5497885, 11583365, 15347005, 39383441, 164483783, 196917205, 822418915, 2796224311, 13981121555]

約数ペア:

[(1, 13981121555), (5, 2796224311), (17, 822418915), (71, 196917205), (85, 164483783), (355, 39383441), (911, 15347005), (1207, 11583365), (2543, 5497885), (4555, 3069401), (6035, 2316673), (12715, 1099577), (15487, 902765), (43231, 323405), (64681, 216155), (77435, 180553)]