68913978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1640809}}^1$

素因数の和:1640821

約数の個数: 16

約数和(自身を含む): 157517760

約数和(自身を除く): 88603782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1640809, 3281618, 4922427, 9844854, 11485663, 22971326, 34456989, 68913978]

約数ペア:

[(1, 68913978), (2, 34456989), (3, 22971326), (6, 11485663), (7, 9844854), (14, 4922427), (21, 3281618), (42, 1640809)]