40857866

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21943}}^1$

素因数の和:21978

約数の個数: 24

約数和(自身を含む): 75048480

約数和(自身を除く): 34190614

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 21943, 43886, 153601, 307202, 416917, 833834, 1075207, 2150414, 2918419, 5836838, 20428933, 40857866]

約数ペア:

[(1, 40857866), (2, 20428933), (7, 5836838), (14, 2918419), (19, 2150414), (38, 1075207), (49, 833834), (98, 416917), (133, 307202), (266, 153601), (931, 43886), (1862, 21943)]