9780392

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 18947520

約数和(自身を除く): 9167128

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 257, 268, 284, 514, 536, 568, 1028, 2056, 4757, 9514, 17219, 18247, 19028, 34438, 36494, 38056, 68876, 72988, 137752, 145976, 1222549, 2445098, 4890196, 9780392]

約数ペア:

[(1, 9780392), (2, 4890196), (4, 2445098), (8, 1222549), (67, 145976), (71, 137752), (134, 72988), (142, 68876), (257, 38056), (268, 36494), (284, 34438), (514, 19028), (536, 18247), (568, 17219), (1028, 9514), (2056, 4757)]