71520778

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{138071}}^1$

素因数の和:138117

約数の個数: 16

約数和(自身を含む): 125921664

約数和(自身を除く): 54400886

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 138071, 276142, 966497, 1932994, 5108627, 10217254, 35760389, 71520778]

約数ペア:

[(1, 71520778), (2, 35760389), (7, 10217254), (14, 5108627), (37, 1932994), (74, 966497), (259, 276142), (518, 138071)]