216570398

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 392817096

約数和(自身を除く): 176246698

約数列:

[1, 2, 11, 19, 22, 37, 38, 67, 74, 121, 134, 209, 242, 361, 407, 418, 703, 722, 737, 814, 1273, 1406, 1474, 2299, 2479, 2546, 3971, 4477, 4598, 4958, 7733, 7942, 8107, 8954, 13357, 14003, 15466, 16214, 24187, 26714, 27269, 28006, 43681, 47101, 48374, 54538, 85063, 87362, 94202, 146927, 154033, 170126, 266057, 293854, 299959, 308066, 518111, 532114, 599918, 894919, 1036222, 1616197, 1789838, 2926627, 3232394, 5699221, 5853254, 9844109, 11398442, 19688218, 108285199, 216570398]

約数ペア:

[(1, 216570398), (2, 108285199), (11, 19688218), (19, 11398442), (22, 9844109), (37, 5853254), (38, 5699221), (67, 3232394), (74, 2926627), (121, 1789838), (134, 1616197), (209, 1036222), (242, 894919), (361, 599918), (407, 532114), (418, 518111), (703, 308066), (722, 299959), (737, 293854), (814, 266057), (1273, 170126), (1406, 154033), (1474, 146927), (2299, 94202), (2479, 87362), (2546, 85063), (3971, 54538), (4477, 48374), (4598, 47101), (4958, 43681), (7733, 28006), (7942, 27269), (8107, 26714), (8954, 24187), (13357, 16214), (14003, 15466)]