209580644

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 465470208

約数和(自身を除く): 255889564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 83, 91, 98, 166, 182, 196, 332, 364, 581, 637, 991, 1079, 1162, 1274, 1982, 2158, 2324, 2548, 3964, 4067, 4316, 6937, 7553, 8134, 12883, 13874, 15106, 16268, 25766, 27748, 30212, 48559, 51532, 52871, 82253, 90181, 97118, 105742, 164506, 180362, 194236, 211484, 329012, 360724, 575771, 631267, 1069289, 1151542, 1262534, 2138578, 2303084, 2525068, 4030397, 4277156, 7485023, 8060794, 14970046, 16121588, 29940092, 52395161, 104790322, 209580644]

約数ペア:

[(1, 209580644), (2, 104790322), (4, 52395161), (7, 29940092), (13, 16121588), (14, 14970046), (26, 8060794), (28, 7485023), (49, 4277156), (52, 4030397), (83, 2525068), (91, 2303084), (98, 2138578), (166, 1262534), (182, 1151542), (196, 1069289), (332, 631267), (364, 575771), (581, 360724), (637, 329012), (991, 211484), (1079, 194236), (1162, 180362), (1274, 164506), (1982, 105742), (2158, 97118), (2324, 90181), (2548, 82253), (3964, 52871), (4067, 51532), (4316, 48559), (6937, 30212), (7553, 27748), (8134, 25766), (12883, 16268), (13874, 15106)]