40397686

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151871}}^1$

素因数の和:151899

約数の個数: 16

約数和(自身を含む): 72898560

約数和(自身を除く): 32500874

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 151871, 303742, 1063097, 2126194, 2885549, 5771098, 20198843, 40397686]

約数ペア:

[(1, 40397686), (2, 20198843), (7, 5771098), (14, 2885549), (19, 2126194), (38, 1063097), (133, 303742), (266, 151871)]