391204996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 894236672

約数和(自身を除く): 503031676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 37, 52, 62, 74, 91, 124, 148, 182, 217, 259, 364, 403, 434, 481, 518, 806, 868, 937, 962, 1036, 1147, 1612, 1874, 1924, 2294, 2821, 3367, 3748, 4588, 5642, 6559, 6734, 8029, 11284, 12181, 13118, 13468, 14911, 16058, 24362, 26236, 29047, 29822, 32116, 34669, 48724, 58094, 59644, 69338, 85267, 104377, 116188, 138676, 170534, 203329, 208754, 242683, 341068, 377611, 406658, 417508, 450697, 485366, 755222, 813316, 901394, 970732, 1074739, 1510444, 1802788, 2149478, 2643277, 3154879, 4298956, 5286554, 6309758, 7523173, 10573108, 12619516, 13971607, 15046346, 27943214, 30092692, 55886428, 97801249, 195602498, 391204996]

約数ペア:

[(1, 391204996), (2, 195602498), (4, 97801249), (7, 55886428), (13, 30092692), (14, 27943214), (26, 15046346), (28, 13971607), (31, 12619516), (37, 10573108), (52, 7523173), (62, 6309758), (74, 5286554), (91, 4298956), (124, 3154879), (148, 2643277), (182, 2149478), (217, 1802788), (259, 1510444), (364, 1074739), (403, 970732), (434, 901394), (481, 813316), (518, 755222), (806, 485366), (868, 450697), (937, 417508), (962, 406658), (1036, 377611), (1147, 341068), (1612, 242683), (1874, 208754), (1924, 203329), (2294, 170534), (2821, 138676), (3367, 116188), (3748, 104377), (4588, 85267), (5642, 69338), (6559, 59644), (6734, 58094), (8029, 48724), (11284, 34669), (12181, 32116), (13118, 29822), (13468, 29047), (14911, 26236), (16058, 24362)]