81920104

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47189}}^1$

素因数の和:47233

約数の個数: 32

約数和(自身を含む): 181209600

約数和(自身を除く): 99289496

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 47189, 94378, 188756, 330323, 377512, 660646, 1321292, 1462859, 2642584, 2925718, 5851436, 10240013, 11702872, 20480026, 40960052, 81920104]

約数ペア:

[(1, 81920104), (2, 40960052), (4, 20480026), (7, 11702872), (8, 10240013), (14, 5851436), (28, 2925718), (31, 2642584), (56, 1462859), (62, 1321292), (124, 660646), (217, 377512), (248, 330323), (434, 188756), (868, 94378), (1736, 47189)]