28391724

素因数分解:

$2^2\times 3^2\times {\mathrm{788659}}^1$

素因数の和:788669

約数の個数: 18

約数和(自身を含む): 71768060

約数和(自身を除く): 43376336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 788659, 1577318, 2365977, 3154636, 4731954, 7097931, 9463908, 14195862, 28391724]

約数ペア:

[(1, 28391724), (2, 14195862), (3, 9463908), (4, 7097931), (6, 4731954), (9, 3154636), (12, 2365977), (18, 1577318), (36, 788659)]