78905168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 158680320

約数和(自身を除く): 79775152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 257, 496, 514, 619, 1028, 1238, 2056, 2476, 4112, 4952, 7967, 9904, 15934, 19189, 31868, 38378, 63736, 76756, 127472, 153512, 159083, 307024, 318166, 636332, 1272664, 2545328, 4931573, 9863146, 19726292, 39452584, 78905168]

約数ペア:

[(1, 78905168), (2, 39452584), (4, 19726292), (8, 9863146), (16, 4931573), (31, 2545328), (62, 1272664), (124, 636332), (248, 318166), (257, 307024), (496, 159083), (514, 153512), (619, 127472), (1028, 76756), (1238, 63736), (2056, 38378), (2476, 31868), (4112, 19189), (4952, 15934), (7967, 9904)]