2019901961

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3593}}^1$

素因数の和:3774

約数の個数: 32

約数和(自身を含む): 2587680000

約数和(自身を除く): 567778039

約数列:

[1, 7, 11, 49, 77, 149, 343, 539, 1043, 1639, 3593, 3773, 7301, 11473, 25151, 39523, 51107, 80311, 176057, 276661, 535357, 562177, 1232399, 1936627, 3747499, 5888927, 13556389, 26232493, 41222489, 183627451, 288557423, 2019901961]

約数ペア:

[(1, 2019901961), (7, 288557423), (11, 183627451), (49, 41222489), (77, 26232493), (149, 13556389), (343, 5888927), (539, 3747499), (1043, 1936627), (1639, 1232399), (3593, 562177), (3773, 535357), (7301, 276661), (11473, 176057), (25151, 80311), (39523, 51107)]