38919725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 53663232

約数和(自身を除く): 14743507

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 3863, 10075, 19315, 50219, 96575, 119753, 251095, 598765, 1255475, 1556789, 2993825, 7783945, 38919725]

約数ペア:

[(1, 38919725), (5, 7783945), (13, 2993825), (25, 1556789), (31, 1255475), (65, 598765), (155, 251095), (325, 119753), (403, 96575), (775, 50219), (2015, 19315), (3863, 10075)]