28327130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217901}}^1$

素因数の和:217921

約数の個数: 16

約数和(自身を含む): 54911304

約数和(自身を除く): 26584174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217901, 435802, 1089505, 2179010, 2832713, 5665426, 14163565, 28327130]

約数ペア:

[(1, 28327130), (2, 14163565), (5, 5665426), (10, 2832713), (13, 2179010), (26, 1089505), (65, 435802), (130, 217901)]