28358018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 47341056

約数和(自身を除く): 18983038

約数列:

[1, 2, 13, 26, 67, 73, 134, 146, 223, 446, 871, 949, 1742, 1898, 2899, 4891, 5798, 9782, 14941, 16279, 29882, 32558, 63583, 127166, 194233, 211627, 388466, 423254, 1090693, 2181386, 14179009, 28358018]

約数ペア:

[(1, 28358018), (2, 14179009), (13, 2181386), (26, 1090693), (67, 423254), (73, 388466), (134, 211627), (146, 194233), (223, 127166), (446, 63583), (871, 32558), (949, 29882), (1742, 16279), (1898, 14941), (2899, 9782), (4891, 5798)]