28372685

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 39070080

約数和(自身を除く): 10697395

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2039, 2783, 10195, 13915, 22429, 46897, 112145, 234485, 246719, 515867, 1233595, 2579335, 5674537, 28372685]

約数ペア:

[(1, 28372685), (5, 5674537), (11, 2579335), (23, 1233595), (55, 515867), (115, 246719), (121, 234485), (253, 112145), (605, 46897), (1265, 22429), (2039, 13915), (2783, 10195)]