74721715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{1117}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 95146272

約数和(自身を除く): 20424557

約数列:

[1, 5, 17, 85, 787, 1117, 3935, 5585, 13379, 18989, 66895, 94945, 879079, 4395395, 14944343, 74721715]

約数ペア:

[(1, 74721715), (5, 14944343), (17, 4395395), (85, 879079), (787, 94945), (1117, 66895), (3935, 18989), (5585, 13379)]