68684590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31079}}^1$

素因数の和:31116

約数の個数: 32

約数和(自身を含む): 140978880

約数和(自身を除く): 72294290

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 31079, 62158, 155395, 310790, 404027, 528343, 808054, 1056686, 2020135, 2641715, 4040270, 5283430, 6868459, 13736918, 34342295, 68684590]

約数ペア:

[(1, 68684590), (2, 34342295), (5, 13736918), (10, 6868459), (13, 5283430), (17, 4040270), (26, 2641715), (34, 2020135), (65, 1056686), (85, 808054), (130, 528343), (170, 404027), (221, 310790), (442, 155395), (1105, 62158), (2210, 31079)]