31127958

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 69765696

約数和(自身を除く): 38637738

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 131, 258, 262, 307, 387, 393, 614, 774, 786, 921, 1179, 1842, 2358, 2763, 5526, 5633, 11266, 13201, 16899, 26402, 33798, 39603, 40217, 50697, 79206, 80434, 101394, 118809, 120651, 237618, 241302, 361953, 723906, 1729331, 3458662, 5187993, 10375986, 15563979, 31127958]

約数ペア:

[(1, 31127958), (2, 15563979), (3, 10375986), (6, 5187993), (9, 3458662), (18, 1729331), (43, 723906), (86, 361953), (129, 241302), (131, 237618), (258, 120651), (262, 118809), (307, 101394), (387, 80434), (393, 79206), (614, 50697), (774, 40217), (786, 39603), (921, 33798), (1179, 26402), (1842, 16899), (2358, 13201), (2763, 11266), (5526, 5633)]