189794647

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 243302400

約数和(自身を除く): 53507753

約数列:

[1, 7, 17, 29, 43, 119, 203, 301, 493, 731, 1247, 1279, 3451, 5117, 8729, 8953, 21199, 21743, 37091, 54997, 148393, 152201, 259637, 384979, 630547, 934949, 1594913, 4413829, 6544643, 11164391, 27113521, 189794647]

約数ペア:

[(1, 189794647), (7, 27113521), (17, 11164391), (29, 6544643), (43, 4413829), (119, 1594913), (203, 934949), (301, 630547), (493, 384979), (731, 259637), (1247, 152201), (1279, 148393), (3451, 54997), (5117, 37091), (8729, 21743), (8953, 21199)]