28119388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 53820144

約数和(自身を除く): 25700756

約数列:

[1, 2, 4, 11, 22, 44, 641, 997, 1282, 1994, 2564, 3988, 7051, 10967, 14102, 21934, 28204, 43868, 639077, 1278154, 2556308, 7029847, 14059694, 28119388]

約数ペア:

[(1, 28119388), (2, 14059694), (4, 7029847), (11, 2556308), (22, 1278154), (44, 639077), (641, 43868), (997, 28204), (1282, 21934), (1994, 14102), (2564, 10967), (3988, 7051)]