262681328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{180413}}^1$

素因数の和:180441

約数の個数: 40

約数和(自身を含む): 626397408

約数和(自身を除く): 363716080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 180413, 360826, 721652, 1262891, 1443304, 2345369, 2525782, 2886608, 4690738, 5051564, 9381476, 10103128, 16417583, 18762952, 20206256, 32835166, 37525904, 65670332, 131340664, 262681328]

約数ペア:

[(1, 262681328), (2, 131340664), (4, 65670332), (7, 37525904), (8, 32835166), (13, 20206256), (14, 18762952), (16, 16417583), (26, 10103128), (28, 9381476), (52, 5051564), (56, 4690738), (91, 2886608), (104, 2525782), (112, 2345369), (182, 1443304), (208, 1262891), (364, 721652), (728, 360826), (1456, 180413)]