25421209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 28901376

約数和(自身を除く): 3480167

約数列:

[1, 11, 31, 127, 341, 587, 1397, 3937, 6457, 18197, 43307, 74549, 200167, 820039, 2311019, 25421209]

約数ペア:

[(1, 25421209), (11, 2311019), (31, 820039), (127, 200167), (341, 74549), (587, 43307), (1397, 18197), (3937, 6457)]