78717028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1559}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 148599360

約数和(自身を除く): 69882332

約数列:

[1, 2, 4, 13, 26, 52, 971, 1559, 1942, 3118, 3884, 6236, 12623, 20267, 25246, 40534, 50492, 81068, 1513789, 3027578, 6055156, 19679257, 39358514, 78717028]

約数ペア:

[(1, 78717028), (2, 39358514), (4, 19679257), (13, 6055156), (26, 3027578), (52, 1513789), (971, 81068), (1559, 50492), (1942, 40534), (3118, 25246), (3884, 20267), (6236, 12623)]