247988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 493920

約数和(自身を除く): 245932

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 251, 494, 502, 988, 1004, 3263, 4769, 6526, 9538, 13052, 19076, 61997, 123994, 247988]

約数ペア:

[(1, 247988), (2, 123994), (4, 61997), (13, 19076), (19, 13052), (26, 9538), (38, 6526), (52, 4769), (76, 3263), (247, 1004), (251, 988), (494, 502)]