25031797

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 7224203

約数列:

[1, 7, 19, 23, 49, 133, 161, 167, 343, 437, 931, 1127, 1169, 3059, 3173, 3841, 6517, 7889, 8183, 21413, 22211, 26887, 57281, 72979, 149891, 155477, 188209, 510853, 1088339, 1317463, 3575971, 25031797]

約数ペア:

[(1, 25031797), (7, 3575971), (19, 1317463), (23, 1088339), (49, 510853), (133, 188209), (161, 155477), (167, 149891), (343, 72979), (437, 57281), (931, 26887), (1127, 22211), (1169, 21413), (3059, 8183), (3173, 7889), (3841, 6517)]