216770425

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{523}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 274848480

約数和(自身を除く): 58078055

約数列:

[1, 5, 25, 59, 281, 295, 523, 1405, 1475, 2615, 7025, 13075, 16579, 30857, 82895, 146963, 154285, 414475, 734815, 771425, 3674075, 8670817, 43354085, 216770425]

約数ペア:

[(1, 216770425), (5, 43354085), (25, 8670817), (59, 3674075), (281, 771425), (295, 734815), (523, 414475), (1405, 154285), (1475, 146963), (2615, 82895), (7025, 30857), (13075, 16579)]