81606335

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 104343552

約数和(自身を除く): 22737217

約数列:

[1, 5, 47, 67, 71, 73, 235, 335, 355, 365, 3149, 3337, 3431, 4757, 4891, 5183, 15745, 16685, 17155, 23785, 24455, 25915, 223579, 229877, 243601, 347261, 1117895, 1149385, 1218005, 1736305, 16321267, 81606335]

約数ペア:

[(1, 81606335), (5, 16321267), (47, 1736305), (67, 1218005), (71, 1149385), (73, 1117895), (235, 347261), (335, 243601), (355, 229877), (365, 223579), (3149, 25915), (3337, 24455), (3431, 23785), (4757, 17155), (4891, 16685), (5183, 15745)]