9786490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 20248704

約数和(自身を除く): 10462214

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 557, 1114, 1255, 1757, 2510, 2785, 3514, 3899, 5570, 7798, 8785, 17570, 19495, 38990, 139807, 279614, 699035, 978649, 1398070, 1957298, 4893245, 9786490]

約数ペア:

[(1, 9786490), (2, 4893245), (5, 1957298), (7, 1398070), (10, 978649), (14, 699035), (35, 279614), (70, 139807), (251, 38990), (502, 19495), (557, 17570), (1114, 8785), (1255, 7798), (1757, 5570), (2510, 3899), (2785, 3514)]