40657988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1511}}^1$

素因数の和:1584

約数の個数: 36

約数和(自身を含む): 84079296

約数和(自身を除く): 43421308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 961, 1511, 1922, 3022, 3844, 6044, 6727, 10577, 13454, 21154, 26908, 42308, 46841, 93682, 187364, 327887, 655774, 1311548, 1452071, 2904142, 5808284, 10164497, 20328994, 40657988]

約数ペア:

[(1, 40657988), (2, 20328994), (4, 10164497), (7, 5808284), (14, 2904142), (28, 1452071), (31, 1311548), (62, 655774), (124, 327887), (217, 187364), (434, 93682), (868, 46841), (961, 42308), (1511, 26908), (1922, 21154), (3022, 13454), (3844, 10577), (6044, 6727)]