88321990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{63541}}^1$

素因数の和:63687

約数の個数: 16

約数和(自身を含む): 160125840

約数和(自身を除く): 71803850

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 63541, 127082, 317705, 635410, 8832199, 17664398, 44160995, 88321990]

約数ペア:

[(1, 88321990), (2, 44160995), (5, 17664398), (10, 8832199), (139, 635410), (278, 317705), (695, 127082), (1390, 63541)]