7881328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5441

約数の個数: 40

約数和(自身を含む): 18797408

約数和(自身を除く): 10916080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 5413, 10826, 21652, 37891, 43304, 70369, 75782, 86608, 140738, 151564, 281476, 303128, 492583, 562952, 606256, 985166, 1125904, 1970332, 3940664, 7881328]

約数ペア:

[(1, 7881328), (2, 3940664), (4, 1970332), (7, 1125904), (8, 985166), (13, 606256), (14, 562952), (16, 492583), (26, 303128), (28, 281476), (52, 151564), (56, 140738), (91, 86608), (104, 75782), (112, 70369), (182, 43304), (208, 37891), (364, 21652), (728, 10826), (1456, 5413)]