1561244

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 2901360

約数和(自身を除く): 1340116

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 313, 626, 1247, 1252, 2494, 4988, 9077, 13459, 18154, 26918, 36308, 53836, 390311, 780622, 1561244]

約数ペア:

[(1, 1561244), (2, 780622), (4, 390311), (29, 53836), (43, 36308), (58, 26918), (86, 18154), (116, 13459), (172, 9077), (313, 4988), (626, 2494), (1247, 1252)]