213025645

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{196337}}^1$

素因数の和:196380

約数の個数: 16

約数和(自身を含む): 301575168

約数和(自身を除く): 88549523

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 196337, 981685, 1374359, 6086447, 6871795, 30432235, 42605129, 213025645]

約数ペア:

[(1, 213025645), (5, 42605129), (7, 30432235), (31, 6871795), (35, 6086447), (155, 1374359), (217, 981685), (1085, 196337)]