81129916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170441}}^1$

素因数の和:170469

約数の個数: 24

約数和(自身を含む): 171805536

約数和(自身を除く): 90675620

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170441, 340882, 681764, 1193087, 2386174, 2897497, 4772348, 5794994, 11589988, 20282479, 40564958, 81129916]

約数ペア:

[(1, 81129916), (2, 40564958), (4, 20282479), (7, 11589988), (14, 5794994), (17, 4772348), (28, 2897497), (34, 2386174), (68, 1193087), (119, 681764), (238, 340882), (476, 170441)]