78158704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19777}}^1$

素因数の和:19817

約数の個数: 40

約数和(自身を含む): 171673040

約数和(自身を除く): 93514336

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 19777, 39554, 79108, 158216, 257101, 316432, 375763, 514202, 751526, 1028404, 1503052, 2056808, 3006104, 4113616, 4884919, 6012208, 9769838, 19539676, 39079352, 78158704]

約数ペア:

[(1, 78158704), (2, 39079352), (4, 19539676), (8, 9769838), (13, 6012208), (16, 4884919), (19, 4113616), (26, 3006104), (38, 2056808), (52, 1503052), (76, 1028404), (104, 751526), (152, 514202), (208, 375763), (247, 316432), (304, 257101), (494, 158216), (988, 79108), (1976, 39554), (3952, 19777)]