128780185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{25679}}^1$

素因数の和:25760

約数の個数: 16

約数和(自身を含む): 166406400

約数和(自身を除く): 37626215

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 25679, 128395, 436543, 1515061, 2182715, 7575305, 25756037, 128780185]

約数ペア:

[(1, 128780185), (5, 25756037), (17, 7575305), (59, 2182715), (85, 1515061), (295, 436543), (1003, 128395), (5015, 25679)]