4979995

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 6583680

約数和(自身を除く): 1603685

約数列:

[1, 5, 19, 31, 89, 95, 155, 361, 445, 589, 1691, 1805, 2759, 2945, 8455, 11191, 13795, 32129, 52421, 55955, 160645, 262105, 995999, 4979995]

約数ペア:

[(1, 4979995), (5, 995999), (19, 262105), (31, 160645), (89, 55955), (95, 52421), (155, 32129), (361, 13795), (445, 11191), (589, 8455), (1691, 2945), (1805, 2759)]