66818878

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{7309}}^1$

素因数の和:7971

約数の個数: 16

約数和(自身を含む): 114737760

約数和(自身を除く): 47918882

約数列:

[1, 2, 7, 14, 653, 1306, 4571, 7309, 9142, 14618, 51163, 102326, 4772777, 9545554, 33409439, 66818878]

約数ペア:

[(1, 66818878), (2, 33409439), (7, 9545554), (14, 4772777), (653, 102326), (1306, 51163), (4571, 14618), (7309, 9142)]