261620101

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 298368000

約数和(自身を除く): 36747899

約数列:

[1, 19, 23, 59, 73, 139, 437, 1121, 1357, 1387, 1679, 2641, 3197, 4307, 8201, 10147, 25783, 31901, 60743, 81833, 99061, 155819, 188623, 192793, 233381, 598673, 1882159, 3583837, 4434239, 11374787, 13769479, 261620101]

約数ペア:

[(1, 261620101), (19, 13769479), (23, 11374787), (59, 4434239), (73, 3583837), (139, 1882159), (437, 598673), (1121, 233381), (1357, 192793), (1387, 188623), (1679, 155819), (2641, 99061), (3197, 81833), (4307, 60743), (8201, 31901), (10147, 25783)]