644959588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1053

約数の個数: 96

約数和(自身を含む): 1459017728

約数和(自身を除く): 814058140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 61, 62, 91, 122, 124, 182, 217, 244, 364, 403, 427, 434, 793, 806, 854, 868, 937, 1586, 1612, 1708, 1874, 1891, 2821, 3172, 3748, 3782, 5551, 5642, 6559, 7564, 11102, 11284, 12181, 13118, 13237, 22204, 24362, 24583, 26236, 26474, 29047, 48724, 49166, 52948, 57157, 58094, 85267, 98332, 114314, 116188, 170534, 172081, 203329, 228628, 341068, 344162, 377611, 400099, 406658, 688324, 743041, 755222, 800198, 813316, 1486082, 1510444, 1600396, 1771867, 2643277, 2972164, 3543734, 5201287, 5286554, 7087468, 10402574, 10573108, 12403069, 20805148, 23034271, 24806138, 46068542, 49612276, 92137084, 161239897, 322479794, 644959588]

約数ペア:

[(1, 644959588), (2, 322479794), (4, 161239897), (7, 92137084), (13, 49612276), (14, 46068542), (26, 24806138), (28, 23034271), (31, 20805148), (52, 12403069), (61, 10573108), (62, 10402574), (91, 7087468), (122, 5286554), (124, 5201287), (182, 3543734), (217, 2972164), (244, 2643277), (364, 1771867), (403, 1600396), (427, 1510444), (434, 1486082), (793, 813316), (806, 800198), (854, 755222), (868, 743041), (937, 688324), (1586, 406658), (1612, 400099), (1708, 377611), (1874, 344162), (1891, 341068), (2821, 228628), (3172, 203329), (3748, 172081), (3782, 170534), (5551, 116188), (5642, 114314), (6559, 98332), (7564, 85267), (11102, 58094), (11284, 57157), (12181, 52948), (13118, 49166), (13237, 48724), (22204, 29047), (24362, 26474), (24583, 26236)]