205991654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 365888016

約数和(自身を除く): 159896362

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 361, 407, 418, 701, 703, 722, 814, 1402, 1406, 3971, 7711, 7733, 7942, 13319, 13357, 15422, 15466, 25937, 26638, 26714, 51874, 146509, 146927, 253061, 285307, 293018, 293854, 492803, 506122, 570614, 985606, 2783671, 5420833, 5567342, 9363257, 10841666, 18726514, 102995827, 205991654]

約数ペア:

[(1, 205991654), (2, 102995827), (11, 18726514), (19, 10841666), (22, 9363257), (37, 5567342), (38, 5420833), (74, 2783671), (209, 985606), (361, 570614), (407, 506122), (418, 492803), (701, 293854), (703, 293018), (722, 285307), (814, 253061), (1402, 146927), (1406, 146509), (3971, 51874), (7711, 26714), (7733, 26638), (7942, 25937), (13319, 15466), (13357, 15422)]