87780368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3323}}^1$

素因数の和:3471

約数の個数: 40

約数和(自身を含む): 184654848

約数和(自身を除く): 96874480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 3323, 6604, 6646, 13208, 13292, 26416, 26584, 43199, 53168, 86398, 172796, 345592, 422021, 691184, 844042, 1688084, 3376168, 5486273, 6752336, 10972546, 21945092, 43890184, 87780368]

約数ペア:

[(1, 87780368), (2, 43890184), (4, 21945092), (8, 10972546), (13, 6752336), (16, 5486273), (26, 3376168), (52, 1688084), (104, 844042), (127, 691184), (208, 422021), (254, 345592), (508, 172796), (1016, 86398), (1651, 53168), (2032, 43199), (3302, 26584), (3323, 26416), (6604, 13292), (6646, 13208)]