1398859

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 1794816

約数和(自身を除く): 395957

約数列:

[1, 7, 11, 37, 77, 259, 407, 491, 2849, 3437, 5401, 18167, 37807, 127169, 199837, 1398859]

約数ペア:

[(1, 1398859), (7, 199837), (11, 127169), (37, 37807), (77, 18167), (259, 5401), (407, 3437), (491, 2849)]