31080028

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7351}}^1$

素因数の和:7513

約数の個数: 24

約数和(自身を含む): 62580224

約数和(自身を除く): 31500196

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 7351, 14702, 29404, 51457, 102914, 205828, 1110001, 2220002, 4440004, 7770007, 15540014, 31080028]

約数ペア:

[(1, 31080028), (2, 15540014), (4, 7770007), (7, 4440004), (14, 2220002), (28, 1110001), (151, 205828), (302, 102914), (604, 51457), (1057, 29404), (2114, 14702), (4228, 7351)]