1640383941

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{8719}}^1$

素因数の和:8794

約数の個数: 48

約数和(自身を含む): 2741288960

約数和(自身を除く): 1100905019

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 289, 357, 527, 651, 867, 1581, 2023, 3689, 6069, 8719, 8959, 11067, 26157, 26877, 61033, 62713, 148223, 183099, 188139, 270289, 444669, 810867, 1037561, 1892023, 2519791, 3112683, 4594913, 5676069, 7559373, 13784739, 17638537, 32164391, 52915611, 78113521, 96493173, 234340563, 546794647, 1640383941]

約数ペア:

[(1, 1640383941), (3, 546794647), (7, 234340563), (17, 96493173), (21, 78113521), (31, 52915611), (51, 32164391), (93, 17638537), (119, 13784739), (217, 7559373), (289, 5676069), (357, 4594913), (527, 3112683), (651, 2519791), (867, 1892023), (1581, 1037561), (2023, 810867), (3689, 444669), (6069, 270289), (8719, 188139), (8959, 183099), (11067, 148223), (26157, 62713), (26877, 61033)]