42638635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 59657472

約数和(自身を除く): 17018837

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 799, 821, 1105, 3055, 3995, 4105, 10387, 10673, 13957, 38587, 51935, 53365, 69785, 181441, 192935, 501631, 655979, 907205, 2508155, 3279895, 8527727, 42638635]

約数ペア:

[(1, 42638635), (5, 8527727), (13, 3279895), (17, 2508155), (47, 907205), (65, 655979), (85, 501631), (221, 192935), (235, 181441), (611, 69785), (799, 53365), (821, 51935), (1105, 38587), (3055, 13957), (3995, 10673), (4105, 10387)]