261036709

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^3$

素因数の和:249

約数の個数: 16

約数和(自身を含む): 280788480

約数和(自身を除く): 19751771

約数列:

[1, 31, 41, 59, 1271, 1829, 2419, 3481, 74989, 107911, 142721, 205379, 4424351, 6366749, 8420539, 261036709]

約数ペア:

[(1, 261036709), (31, 8420539), (41, 6366749), (59, 4424351), (1271, 205379), (1829, 142721), (2419, 107911), (3481, 74989)]