7500025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 10249344

約数和(自身を除く): 2749319

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 491, 611, 1175, 2455, 3055, 6383, 12275, 15275, 23077, 31915, 115385, 159575, 300001, 576925, 1500005, 7500025]

約数ペア:

[(1, 7500025), (5, 1500005), (13, 576925), (25, 300001), (47, 159575), (65, 115385), (235, 31915), (325, 23077), (491, 15275), (611, 12275), (1175, 6383), (2455, 3055)]