642872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 1328400

約数和(自身を除く): 685528

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 163, 232, 326, 493, 652, 986, 1304, 1972, 2771, 3944, 4727, 5542, 9454, 11084, 18908, 22168, 37816, 80359, 160718, 321436, 642872]

約数ペア:

[(1, 642872), (2, 321436), (4, 160718), (8, 80359), (17, 37816), (29, 22168), (34, 18908), (58, 11084), (68, 9454), (116, 5542), (136, 4727), (163, 3944), (232, 2771), (326, 1972), (493, 1304), (652, 986)]