71275792

素因数分解:

$2^4\times 7^2\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:648

約数の個数: 60

約数和(自身を含む): 161751180

約数和(自身を除く): 90475388

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 229, 392, 397, 458, 784, 794, 916, 1588, 1603, 1832, 2779, 3176, 3206, 3664, 5558, 6352, 6412, 11116, 11221, 12824, 19453, 22232, 22442, 25648, 38906, 44464, 44884, 77812, 89768, 90913, 155624, 179536, 181826, 311248, 363652, 636391, 727304, 1272782, 1454608, 2545564, 4454737, 5091128, 8909474, 10182256, 17818948, 35637896, 71275792]

約数ペア:

[(1, 71275792), (2, 35637896), (4, 17818948), (7, 10182256), (8, 8909474), (14, 5091128), (16, 4454737), (28, 2545564), (49, 1454608), (56, 1272782), (98, 727304), (112, 636391), (196, 363652), (229, 311248), (392, 181826), (397, 179536), (458, 155624), (784, 90913), (794, 89768), (916, 77812), (1588, 44884), (1603, 44464), (1832, 38906), (2779, 25648), (3176, 22442), (3206, 22232), (3664, 19453), (5558, 12824), (6352, 11221), (6412, 11116)]