2644590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6804

約数の個数: 32

約数和(自身を含む): 6836256

約数和(自身を除く): 4191666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6781, 13562, 20343, 33905, 40686, 67810, 88153, 101715, 176306, 203430, 264459, 440765, 528918, 881530, 1322295, 2644590]

約数ペア:

[(1, 2644590), (2, 1322295), (3, 881530), (5, 528918), (6, 440765), (10, 264459), (13, 203430), (15, 176306), (26, 101715), (30, 88153), (39, 67810), (65, 40686), (78, 33905), (130, 20343), (195, 13562), (390, 6781)]