1256142818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{66809}}^1$

素因数の和:66914

約数の個数: 32

約数和(自身を含む): 2308953600

約数和(自身を除く): 1052810782

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1106, 1343, 2686, 9401, 18802, 66809, 133618, 467663, 935326, 1135753, 2271506, 5277911, 7950271, 10555822, 15900542, 36945377, 73890754, 89724487, 179448974, 628071409, 1256142818]

約数ペア:

[(1, 1256142818), (2, 628071409), (7, 179448974), (14, 89724487), (17, 73890754), (34, 36945377), (79, 15900542), (119, 10555822), (158, 7950271), (238, 5277911), (553, 2271506), (1106, 1135753), (1343, 935326), (2686, 467663), (9401, 133618), (18802, 66809)]