1984366978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2119

約数の個数: 48

約数和(自身を含む): 3428376192

約数和(自身を除く): 1444009214

約数列:

[1, 2, 11, 22, 31, 47, 62, 94, 341, 517, 682, 961, 1034, 1457, 1922, 1997, 2914, 3994, 10571, 16027, 21142, 21967, 32054, 43934, 45167, 61907, 90334, 93859, 123814, 187718, 496837, 680977, 993674, 1032449, 1361954, 1919117, 2064898, 2909629, 3838234, 5819258, 21110287, 32005919, 42220574, 64011838, 90198499, 180396998, 992183489, 1984366978]

約数ペア:

[(1, 1984366978), (2, 992183489), (11, 180396998), (22, 90198499), (31, 64011838), (47, 42220574), (62, 32005919), (94, 21110287), (341, 5819258), (517, 3838234), (682, 2909629), (961, 2064898), (1034, 1919117), (1457, 1361954), (1922, 1032449), (1997, 993674), (2914, 680977), (3994, 496837), (10571, 187718), (16027, 123814), (21142, 93859), (21967, 90334), (32054, 61907), (43934, 45167)]