1661686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 2721600

約数和(自身を除く): 1059914

約数列:

[1, 2, 13, 26, 79, 158, 809, 1027, 1618, 2054, 10517, 21034, 63911, 127822, 830843, 1661686]

約数ペア:

[(1, 1661686), (2, 830843), (13, 127822), (26, 63911), (79, 21034), (158, 10517), (809, 2054), (1027, 1618)]