87976990

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{28657}}^1$

素因数の和:28971

約数の個数: 16

約数和(自身を含む): 158879952

約数和(自身を除く): 70902962

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 28657, 57314, 143285, 286570, 8797699, 17595398, 43988495, 87976990]

約数ペア:

[(1, 87976990), (2, 43988495), (5, 17595398), (10, 8797699), (307, 286570), (614, 143285), (1535, 57314), (3070, 28657)]