39121568

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 79579584

約数和(自身を除く): 40458016

約数列:

[1, 2, 4, 8, 16, 32, 67, 71, 134, 142, 257, 268, 284, 514, 536, 568, 1028, 1072, 1136, 2056, 2144, 2272, 4112, 4757, 8224, 9514, 17219, 18247, 19028, 34438, 36494, 38056, 68876, 72988, 76112, 137752, 145976, 152224, 275504, 291952, 551008, 583904, 1222549, 2445098, 4890196, 9780392, 19560784, 39121568]

約数ペア:

[(1, 39121568), (2, 19560784), (4, 9780392), (8, 4890196), (16, 2445098), (32, 1222549), (67, 583904), (71, 551008), (134, 291952), (142, 275504), (257, 152224), (268, 145976), (284, 137752), (514, 76112), (536, 72988), (568, 68876), (1028, 38056), (1072, 36494), (1136, 34438), (2056, 19028), (2144, 18247), (2272, 17219), (4112, 9514), (4757, 8224)]