31780494739

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 40228531200

約数和(自身を除く): 8448036461

約数列:

[1, 7, 17, 43, 73, 119, 149, 301, 511, 571, 731, 1043, 1241, 2533, 3139, 3997, 5117, 6407, 8687, 9707, 10877, 17731, 21973, 24553, 41683, 44849, 53363, 67949, 76139, 85079, 108919, 171871, 184909, 291781, 373541, 417401, 467711, 595553, 708611, 762433, 1294363, 1446343, 1792369, 2921807, 3273977, 3658397, 4960277, 6210767, 7951087, 10124401, 12546583, 25608779, 30470273, 43475369, 55657609, 62192749, 105583039, 213291911, 267062981, 435349243, 739081273, 1869440867, 4540070677, 31780494739]

約数ペア:

[(1, 31780494739), (7, 4540070677), (17, 1869440867), (43, 739081273), (73, 435349243), (119, 267062981), (149, 213291911), (301, 105583039), (511, 62192749), (571, 55657609), (731, 43475369), (1043, 30470273), (1241, 25608779), (2533, 12546583), (3139, 10124401), (3997, 7951087), (5117, 6210767), (6407, 4960277), (8687, 3658397), (9707, 3273977), (10877, 2921807), (17731, 1792369), (21973, 1446343), (24553, 1294363), (41683, 762433), (44849, 708611), (53363, 595553), (67949, 467711), (76139, 417401), (85079, 373541), (108919, 291781), (171871, 184909)]