397406014

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{143261}}^1$

素因数の和:143355

約数の個数: 16

約数和(自身を含む): 636083280

約数和(自身を除く): 238677266

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 143261, 286522, 2721959, 5443918, 10458053, 20916106, 198703007, 397406014]

約数ペア:

[(1, 397406014), (2, 198703007), (19, 20916106), (38, 10458053), (73, 5443918), (146, 2721959), (1387, 286522), (2774, 143261)]