208701618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 441936000

約数和(自身を除く): 233234382

約数列:

[1, 2, 3, 6, 43, 61, 86, 89, 122, 129, 149, 178, 183, 258, 267, 298, 366, 447, 534, 894, 2623, 3827, 5246, 5429, 6407, 7654, 7869, 9089, 10858, 11481, 12814, 13261, 15738, 16287, 18178, 19221, 22962, 26522, 27267, 32574, 38442, 39783, 54534, 79566, 233447, 390827, 466894, 570223, 700341, 781654, 808921, 1140446, 1172481, 1400682, 1617842, 1710669, 2344962, 2426763, 3421338, 4853526, 34783603, 69567206, 104350809, 208701618]

約数ペア:

[(1, 208701618), (2, 104350809), (3, 69567206), (6, 34783603), (43, 4853526), (61, 3421338), (86, 2426763), (89, 2344962), (122, 1710669), (129, 1617842), (149, 1400682), (178, 1172481), (183, 1140446), (258, 808921), (267, 781654), (298, 700341), (366, 570223), (447, 466894), (534, 390827), (894, 233447), (2623, 79566), (3827, 54534), (5246, 39783), (5429, 38442), (6407, 32574), (7654, 27267), (7869, 26522), (9089, 22962), (10858, 19221), (11481, 18178), (12814, 16287), (13261, 15738)]