81620774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{4219}}^1$

素因数の和:4807

約数の個数: 16

約数和(自身を含む): 129891600

約数和(自身を除く): 48270826

約数列:

[1, 2, 17, 34, 569, 1138, 4219, 8438, 9673, 19346, 71723, 143446, 2400611, 4801222, 40810387, 81620774]

約数ペア:

[(1, 81620774), (2, 40810387), (17, 4801222), (34, 2400611), (569, 143446), (1138, 71723), (4219, 19346), (8438, 9673)]