81398388

素因数分解:

$2^2\times 3^1\times {\mathrm{1907}}^1\times {\mathrm{3557}}^1$

素因数の和:5471

約数の個数: 24

約数和(自身を含む): 190082592

約数和(自身を除く): 108684204

約数列:

[1, 2, 3, 4, 6, 12, 1907, 3557, 3814, 5721, 7114, 7628, 10671, 11442, 14228, 21342, 22884, 42684, 6783199, 13566398, 20349597, 27132796, 40699194, 81398388]

約数ペア:

[(1, 81398388), (2, 40699194), (3, 27132796), (4, 20349597), (6, 13566398), (12, 6783199), (1907, 42684), (3557, 22884), (3814, 21342), (5721, 14228), (7114, 11442), (7628, 10671)]