15639235

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 20335680

約数和(自身を除く): 4696445

約数列:

[1, 5, 17, 79, 85, 137, 289, 395, 685, 1343, 1445, 2329, 6715, 10823, 11645, 22831, 39593, 54115, 114155, 183991, 197965, 919955, 3127847, 15639235]

約数ペア:

[(1, 15639235), (5, 3127847), (17, 919955), (79, 197965), (85, 183991), (137, 114155), (289, 54115), (395, 39593), (685, 22831), (1343, 11645), (1445, 10823), (2329, 6715)]