388390535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1087}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 526417920

約数和(自身を除く): 138027385

約数列:

[1, 5, 13, 23, 65, 115, 239, 299, 1087, 1195, 1495, 3107, 5435, 5497, 14131, 15535, 25001, 27485, 70655, 71461, 125005, 259793, 325013, 357305, 1298965, 1625065, 3377309, 5975239, 16886545, 29876195, 77678107, 388390535]

約数ペア:

[(1, 388390535), (5, 77678107), (13, 29876195), (23, 16886545), (65, 5975239), (115, 3377309), (239, 1625065), (299, 1298965), (1087, 357305), (1195, 325013), (1495, 259793), (3107, 125005), (5435, 71461), (5497, 70655), (14131, 27485), (15535, 25001)]