67028647

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{911}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 80197632

約数和(自身を除く): 13168985

約数列:

[1, 7, 23, 161, 457, 911, 3199, 6377, 10511, 20953, 73577, 146671, 416327, 2914289, 9575521, 67028647]

約数ペア:

[(1, 67028647), (7, 9575521), (23, 2914289), (161, 416327), (457, 146671), (911, 73577), (3199, 20953), (6377, 10511)]