645897616

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 1583232000

約数和(自身を除く): 937334384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 127, 182, 196, 208, 254, 364, 392, 499, 508, 637, 728, 784, 889, 998, 1016, 1274, 1456, 1651, 1778, 1996, 2032, 2548, 3302, 3493, 3556, 3992, 5096, 6223, 6487, 6604, 6986, 7112, 7984, 10192, 11557, 12446, 12974, 13208, 13972, 14224, 23114, 24451, 24892, 25948, 26416, 27944, 45409, 46228, 48902, 49784, 51896, 55888, 63373, 80899, 90818, 92456, 97804, 99568, 103792, 126746, 161798, 181636, 184912, 195608, 253492, 317863, 323596, 363272, 391216, 443611, 506984, 635726, 647192, 726544, 823849, 887222, 1013968, 1271452, 1294384, 1647698, 1774444, 2542904, 3105277, 3295396, 3548888, 5085808, 5766943, 6210554, 6590792, 7097776, 11533886, 12421108, 13181584, 23067772, 24842216, 40368601, 46135544, 49684432, 80737202, 92271088, 161474404, 322948808, 645897616]

約数ペア:

[(1, 645897616), (2, 322948808), (4, 161474404), (7, 92271088), (8, 80737202), (13, 49684432), (14, 46135544), (16, 40368601), (26, 24842216), (28, 23067772), (49, 13181584), (52, 12421108), (56, 11533886), (91, 7097776), (98, 6590792), (104, 6210554), (112, 5766943), (127, 5085808), (182, 3548888), (196, 3295396), (208, 3105277), (254, 2542904), (364, 1774444), (392, 1647698), (499, 1294384), (508, 1271452), (637, 1013968), (728, 887222), (784, 823849), (889, 726544), (998, 647192), (1016, 635726), (1274, 506984), (1456, 443611), (1651, 391216), (1778, 363272), (1996, 323596), (2032, 317863), (2548, 253492), (3302, 195608), (3493, 184912), (3556, 181636), (3992, 161798), (5096, 126746), (6223, 103792), (6487, 99568), (6604, 97804), (6986, 92456), (7112, 90818), (7984, 80899), (10192, 63373), (11557, 55888), (12446, 51896), (12974, 49784), (13208, 48902), (13972, 46228), (14224, 45409), (23114, 27944), (24451, 26416), (24892, 25948)]