71638775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4159}}^1$

素因数の和:4235

約数の個数: 24

約数和(自身を含む): 97493760

約数和(自身を除く): 25854985

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 4159, 17225, 20795, 54067, 103975, 220427, 270335, 1102135, 1351675, 2865551, 5510675, 14327755, 71638775]

約数ペア:

[(1, 71638775), (5, 14327755), (13, 5510675), (25, 2865551), (53, 1351675), (65, 1102135), (265, 270335), (325, 220427), (689, 103975), (1325, 54067), (3445, 20795), (4159, 17225)]