81261214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 132295680

約数和(自身を除く): 51034466

約数列:

[1, 2, 19, 38, 47, 94, 173, 263, 346, 526, 893, 1786, 3287, 4997, 6574, 8131, 9994, 12361, 16262, 24722, 45499, 90998, 154489, 234859, 308978, 469718, 864481, 1728962, 2138453, 4276906, 40630607, 81261214]

約数ペア:

[(1, 81261214), (2, 40630607), (19, 4276906), (38, 2138453), (47, 1728962), (94, 864481), (173, 469718), (263, 308978), (346, 234859), (526, 154489), (893, 90998), (1786, 45499), (3287, 24722), (4997, 16262), (6574, 12361), (8131, 9994)]