68894215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1291}}^1$

素因数の和:2130

約数の個数: 16

約数和(自身を含む): 89210016

約数和(自身を除く): 20315801

約数列:

[1, 5, 13, 65, 821, 1291, 4105, 6455, 10673, 16783, 53365, 83915, 1059911, 5299555, 13778843, 68894215]

約数ペア:

[(1, 68894215), (5, 13778843), (13, 5299555), (65, 1059911), (821, 83915), (1291, 53365), (4105, 16783), (6455, 10673)]