87971728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{733}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 184125368

約数和(自身を除く): 96153640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 577, 733, 1154, 1466, 2308, 2932, 4616, 5864, 7501, 9232, 9529, 11728, 15002, 19058, 30004, 38116, 60008, 76232, 120016, 152464, 422941, 845882, 1691764, 3383528, 5498233, 6767056, 10996466, 21992932, 43985864, 87971728]

約数ペア:

[(1, 87971728), (2, 43985864), (4, 21992932), (8, 10996466), (13, 6767056), (16, 5498233), (26, 3383528), (52, 1691764), (104, 845882), (208, 422941), (577, 152464), (733, 120016), (1154, 76232), (1466, 60008), (2308, 38116), (2932, 30004), (4616, 19058), (5864, 15002), (7501, 11728), (9232, 9529)]