17212745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 22714560

約数和(自身を除く): 5501815

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2389, 7205, 11945, 26279, 131395, 312959, 1564795, 3442549, 17212745]

約数ペア:

[(1, 17212745), (5, 3442549), (11, 1564795), (55, 312959), (131, 131395), (655, 26279), (1441, 11945), (2389, 7205)]