28528295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 38216448

約数和(自身を除く): 9688153

約数列:

[1, 5, 17, 37, 47, 85, 185, 193, 235, 629, 799, 965, 1739, 3145, 3281, 3995, 7141, 8695, 9071, 16405, 29563, 35705, 45355, 121397, 147815, 154207, 335627, 606985, 771035, 1678135, 5705659, 28528295]

約数ペア:

[(1, 28528295), (5, 5705659), (17, 1678135), (37, 771035), (47, 606985), (85, 335627), (185, 154207), (193, 147815), (235, 121397), (629, 45355), (799, 35705), (965, 29563), (1739, 16405), (3145, 9071), (3281, 8695), (3995, 7141)]