28940890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 57081024

約数和(自身を除く): 28140134

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 307, 614, 857, 1535, 1714, 3070, 3377, 4285, 6754, 8570, 9427, 16885, 18854, 33770, 47135, 94270, 263099, 526198, 1315495, 2630990, 2894089, 5788178, 14470445, 28940890]

約数ペア:

[(1, 28940890), (2, 14470445), (5, 5788178), (10, 2894089), (11, 2630990), (22, 1315495), (55, 526198), (110, 263099), (307, 94270), (614, 47135), (857, 33770), (1535, 18854), (1714, 16885), (3070, 9427), (3377, 8570), (4285, 6754)]