156979821968

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{138186463}}^1$

素因数の和:138186542

約数の個数: 20

約数和(自身を含む): 308432187648

約数和(自身を除く): 151452365680

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 138186463, 276372926, 552745852, 1105491704, 2210983408, 9811238873, 19622477746, 39244955492, 78489910984, 156979821968]

約数ペア:

[(1, 156979821968), (2, 78489910984), (4, 39244955492), (8, 19622477746), (16, 9811238873), (71, 2210983408), (142, 1105491704), (284, 552745852), (568, 276372926), (1136, 138186463)]