68720015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 102695040

約数和(自身を除く): 33975025

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 445, 455, 623, 1157, 1697, 3115, 5785, 8099, 8485, 11879, 22061, 40495, 59395, 110305, 151033, 154427, 755165, 772135, 1057231, 1963429, 5286155, 9817145, 13744003, 68720015]

約数ペア:

[(1, 68720015), (5, 13744003), (7, 9817145), (13, 5286155), (35, 1963429), (65, 1057231), (89, 772135), (91, 755165), (445, 154427), (455, 151033), (623, 110305), (1157, 59395), (1697, 40495), (3115, 22061), (5785, 11879), (8099, 8485)]