28640018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1429}}^1$

素因数の和:2353

約数の個数: 16

約数和(自身を含む): 46949760

約数和(自身を除く): 18309742

約数列:

[1, 2, 11, 22, 911, 1429, 1822, 2858, 10021, 15719, 20042, 31438, 1301819, 2603638, 14320009, 28640018]

約数ペア:

[(1, 28640018), (2, 14320009), (11, 2603638), (22, 1301819), (911, 31438), (1429, 20042), (1822, 15719), (2858, 10021)]