71912988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 220631040

約数和(自身を除く): 148718052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 107, 108, 126, 127, 147, 189, 196, 214, 252, 254, 294, 321, 378, 381, 428, 441, 508, 588, 642, 749, 756, 762, 882, 889, 963, 1143, 1284, 1323, 1498, 1524, 1764, 1778, 1926, 2247, 2286, 2646, 2667, 2889, 2996, 3429, 3556, 3852, 4494, 4572, 5243, 5292, 5334, 5778, 6223, 6741, 6858, 8001, 8988, 10486, 10668, 11556, 12446, 13482, 13589, 13716, 15729, 16002, 18669, 20223, 20972, 24003, 24892, 26964, 27178, 31458, 32004, 37338, 40446, 40767, 47187, 48006, 54356, 56007, 62916, 74676, 80892, 81534, 94374, 95123, 96012, 112014, 122301, 141561, 163068, 168021, 188748, 190246, 224028, 244602, 283122, 285369, 336042, 366903, 380492, 489204, 566244, 570738, 665861, 672084, 733806, 856107, 1141476, 1331722, 1467612, 1712214, 1997583, 2568321, 2663444, 3424428, 3995166, 5136642, 5992749, 7990332, 10273284, 11985498, 17978247, 23970996, 35956494, 71912988]

約数ペア:

[(1, 71912988), (2, 35956494), (3, 23970996), (4, 17978247), (6, 11985498), (7, 10273284), (9, 7990332), (12, 5992749), (14, 5136642), (18, 3995166), (21, 3424428), (27, 2663444), (28, 2568321), (36, 1997583), (42, 1712214), (49, 1467612), (54, 1331722), (63, 1141476), (84, 856107), (98, 733806), (107, 672084), (108, 665861), (126, 570738), (127, 566244), (147, 489204), (189, 380492), (196, 366903), (214, 336042), (252, 285369), (254, 283122), (294, 244602), (321, 224028), (378, 190246), (381, 188748), (428, 168021), (441, 163068), (508, 141561), (588, 122301), (642, 112014), (749, 96012), (756, 95123), (762, 94374), (882, 81534), (889, 80892), (963, 74676), (1143, 62916), (1284, 56007), (1323, 54356), (1498, 48006), (1524, 47187), (1764, 40767), (1778, 40446), (1926, 37338), (2247, 32004), (2286, 31458), (2646, 27178), (2667, 26964), (2889, 24892), (2996, 24003), (3429, 20972), (3556, 20223), (3852, 18669), (4494, 16002), (4572, 15729), (5243, 13716), (5292, 13589), (5334, 13482), (5778, 12446), (6223, 11556), (6741, 10668), (6858, 10486), (8001, 8988)]