72809128

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5059}}^1$

素因数の和:5329

約数の個数: 32

約数和(自身を含む): 156657600

約数和(自身を除く): 83848472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1799, 2056, 3598, 5059, 7196, 10118, 14392, 20236, 35413, 40472, 70826, 141652, 283304, 1300163, 2600326, 5200652, 9101141, 10401304, 18202282, 36404564, 72809128]

約数ペア:

[(1, 72809128), (2, 36404564), (4, 18202282), (7, 10401304), (8, 9101141), (14, 5200652), (28, 2600326), (56, 1300163), (257, 283304), (514, 141652), (1028, 70826), (1799, 40472), (2056, 35413), (3598, 20236), (5059, 14392), (7196, 10118)]