86931455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 119968128

約数和(自身を除く): 33036673

約数列:

[1, 5, 13, 17, 65, 85, 151, 221, 521, 755, 1105, 1963, 2567, 2605, 6773, 8857, 9815, 12835, 33371, 33865, 44285, 78671, 115141, 166855, 393355, 575705, 1022723, 1337407, 5113615, 6687035, 17386291, 86931455]

約数ペア:

[(1, 86931455), (5, 17386291), (13, 6687035), (17, 5113615), (65, 1337407), (85, 1022723), (151, 575705), (221, 393355), (521, 166855), (755, 115141), (1105, 78671), (1963, 44285), (2567, 33865), (2605, 33371), (6773, 12835), (8857, 9815)]