40891382

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:21996

約数の個数: 24

約数和(自身を含む): 75110040

約数和(自身を除く): 34218658

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 21961, 43922, 153727, 307454, 417259, 834518, 1076089, 2152178, 2920813, 5841626, 20445691, 40891382]

約数ペア:

[(1, 40891382), (2, 20445691), (7, 5841626), (14, 2920813), (19, 2152178), (38, 1076089), (49, 834518), (98, 417259), (133, 307454), (266, 153727), (931, 43922), (1862, 21961)]