387640204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{728647}}^1$

素因数の和:728677

約数の個数: 24

約数和(自身を含む): 816085760

約数和(自身を除く): 428445556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 728647, 1457294, 2914588, 5100529, 10201058, 13844293, 20402116, 27688586, 55377172, 96910051, 193820102, 387640204]

約数ペア:

[(1, 387640204), (2, 193820102), (4, 96910051), (7, 55377172), (14, 27688586), (19, 20402116), (28, 13844293), (38, 10201058), (76, 5100529), (133, 2914588), (266, 1457294), (532, 728647)]