201780956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 418797120

約数和(自身を除く): 217016164

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 289, 377, 442, 463, 493, 578, 754, 884, 926, 986, 1156, 1508, 1852, 1972, 3757, 6019, 6409, 7514, 7871, 8381, 12038, 12818, 13427, 15028, 15742, 16762, 24076, 25636, 26854, 31484, 33524, 53708, 102323, 108953, 133807, 174551, 204646, 217906, 228259, 267614, 349102, 409292, 435812, 456518, 535228, 698204, 913036, 1739491, 2967367, 3478982, 3880403, 5934734, 6957964, 7760806, 11869468, 15521612, 50445239, 100890478, 201780956]

約数ペア:

[(1, 201780956), (2, 100890478), (4, 50445239), (13, 15521612), (17, 11869468), (26, 7760806), (29, 6957964), (34, 5934734), (52, 3880403), (58, 3478982), (68, 2967367), (116, 1739491), (221, 913036), (289, 698204), (377, 535228), (442, 456518), (463, 435812), (493, 409292), (578, 349102), (754, 267614), (884, 228259), (926, 217906), (986, 204646), (1156, 174551), (1508, 133807), (1852, 108953), (1972, 102323), (3757, 53708), (6019, 33524), (6409, 31484), (7514, 26854), (7871, 25636), (8381, 24076), (12038, 16762), (12818, 15742), (13427, 15028)]