777950348

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{2521}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 1586317824

約数和(自身を除く): 808367476

約数列:

[1, 2, 4, 7, 14, 28, 103, 107, 206, 214, 412, 428, 721, 749, 1442, 1498, 2521, 2884, 2996, 5042, 10084, 11021, 17647, 22042, 35294, 44084, 70588, 77147, 154294, 259663, 269747, 308588, 519326, 539494, 1038652, 1078988, 1817641, 1888229, 3635282, 3776458, 7270564, 7552916, 27783941, 55567882, 111135764, 194487587, 388975174, 777950348]

約数ペア:

[(1, 777950348), (2, 388975174), (4, 194487587), (7, 111135764), (14, 55567882), (28, 27783941), (103, 7552916), (107, 7270564), (206, 3776458), (214, 3635282), (412, 1888229), (428, 1817641), (721, 1078988), (749, 1038652), (1442, 539494), (1498, 519326), (2521, 308588), (2884, 269747), (2996, 259663), (5042, 154294), (10084, 77147), (11021, 70588), (17647, 44084), (22042, 35294)]