28127372

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 65856000

約数和(自身を除く): 37728628

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 83, 91, 98, 133, 166, 182, 196, 247, 266, 332, 343, 364, 494, 532, 581, 637, 686, 931, 988, 1079, 1162, 1274, 1372, 1577, 1729, 1862, 2158, 2324, 2548, 3154, 3458, 3724, 4067, 4316, 4459, 6308, 6517, 6916, 7553, 8134, 8918, 11039, 12103, 13034, 15106, 16268, 17836, 20501, 22078, 24206, 26068, 28469, 30212, 41002, 44156, 48412, 52871, 56938, 77273, 82004, 84721, 105742, 113876, 143507, 154546, 169442, 211484, 287014, 309092, 338884, 370097, 540911, 574028, 740194, 1004549, 1081822, 1480388, 2009098, 2163644, 4018196, 7031843, 14063686, 28127372]

約数ペア:

[(1, 28127372), (2, 14063686), (4, 7031843), (7, 4018196), (13, 2163644), (14, 2009098), (19, 1480388), (26, 1081822), (28, 1004549), (38, 740194), (49, 574028), (52, 540911), (76, 370097), (83, 338884), (91, 309092), (98, 287014), (133, 211484), (166, 169442), (182, 154546), (196, 143507), (247, 113876), (266, 105742), (332, 84721), (343, 82004), (364, 77273), (494, 56938), (532, 52871), (581, 48412), (637, 44156), (686, 41002), (931, 30212), (988, 28469), (1079, 26068), (1162, 24206), (1274, 22078), (1372, 20501), (1577, 17836), (1729, 16268), (1862, 15106), (2158, 13034), (2324, 12103), (2548, 11039), (3154, 8918), (3458, 8134), (3724, 7553), (4067, 6916), (4316, 6517), (4459, 6308)]