31721116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 67931136

約数和(自身を除く): 36210020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 103, 119, 206, 238, 412, 476, 647, 721, 1294, 1442, 1751, 2588, 2884, 3502, 4529, 7004, 9058, 10999, 12257, 18116, 21998, 24514, 43996, 49028, 66641, 76993, 133282, 153986, 266564, 307972, 466487, 932974, 1132897, 1865948, 2265794, 4531588, 7930279, 15860558, 31721116]

約数ペア:

[(1, 31721116), (2, 15860558), (4, 7930279), (7, 4531588), (14, 2265794), (17, 1865948), (28, 1132897), (34, 932974), (68, 466487), (103, 307972), (119, 266564), (206, 153986), (238, 133282), (412, 76993), (476, 66641), (647, 49028), (721, 43996), (1294, 24514), (1442, 21998), (1751, 18116), (2588, 12257), (2884, 10999), (3502, 9058), (4529, 7004)]