31243505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 41137920

約数和(自身を除く): 9894415

約数列:

[1, 5, 19, 31, 95, 103, 155, 515, 589, 1957, 2945, 3193, 9785, 10609, 15965, 53045, 60667, 201571, 303335, 328879, 1007855, 1644395, 6248701, 31243505]

約数ペア:

[(1, 31243505), (5, 6248701), (19, 1644395), (31, 1007855), (95, 328879), (103, 303335), (155, 201571), (515, 60667), (589, 53045), (1957, 15965), (2945, 10609), (3193, 9785)]