128971675

素因数分解:

$5^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 187726080

約数和(自身を除く): 58754405

約数列:

[1, 5, 7, 25, 35, 49, 127, 175, 245, 635, 829, 889, 1225, 3175, 4145, 4445, 5803, 6223, 20725, 22225, 29015, 31115, 40621, 105283, 145075, 155575, 203105, 526415, 736981, 1015525, 2632075, 3684905, 5158867, 18424525, 25794335, 128971675]

約数ペア:

[(1, 128971675), (5, 25794335), (7, 18424525), (25, 5158867), (35, 3684905), (49, 2632075), (127, 1015525), (175, 736981), (245, 526415), (635, 203105), (829, 155575), (889, 145075), (1225, 105283), (3175, 40621), (4145, 31115), (4445, 29015), (5803, 22225), (6223, 20725)]