28396390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6977}}^1$

素因数の和:7032

約数の個数: 32

約数和(自身を含む): 57275424

約数和(自身を除く): 28879034

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 6977, 13954, 34885, 69770, 76747, 153494, 258149, 383735, 516298, 767470, 1290745, 2581490, 2839639, 5679278, 14198195, 28396390]

約数ペア:

[(1, 28396390), (2, 14198195), (5, 5679278), (10, 2839639), (11, 2581490), (22, 1290745), (37, 767470), (55, 516298), (74, 383735), (110, 258149), (185, 153494), (370, 76747), (407, 69770), (814, 34885), (2035, 13954), (4070, 6977)]