168291985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{1667}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 206004672

約数和(自身を除く): 37712687

約数列:

[1, 5, 61, 305, 331, 1655, 1667, 8335, 20191, 100955, 101687, 508435, 551777, 2758885, 33658397, 168291985]

約数ペア:

[(1, 168291985), (5, 33658397), (61, 2758885), (305, 551777), (331, 508435), (1655, 101687), (1667, 100955), (8335, 20191)]