1279631912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647587}}^1$

素因数の和:647625

約数の個数: 32

約数和(自身を含む): 2719869600

約数和(自身を除く): 1440237688

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 647587, 1295174, 2590348, 5180696, 8418631, 12304153, 16837262, 24608306, 33674524, 49216612, 67349048, 98433224, 159953989, 319907978, 639815956, 1279631912]

約数ペア:

[(1, 1279631912), (2, 639815956), (4, 319907978), (8, 159953989), (13, 98433224), (19, 67349048), (26, 49216612), (38, 33674524), (52, 24608306), (76, 16837262), (104, 12304153), (152, 8418631), (247, 5180696), (494, 2590348), (988, 1295174), (1976, 647587)]