199176688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 423472896

約数和(自身を除く): 224296208

約数列:

[1, 2, 4, 8, 16, 23, 41, 43, 46, 82, 86, 92, 164, 172, 184, 307, 328, 344, 368, 614, 656, 688, 943, 989, 1228, 1763, 1886, 1978, 2456, 3526, 3772, 3956, 4912, 7052, 7061, 7544, 7912, 12587, 13201, 14104, 14122, 15088, 15824, 25174, 26402, 28208, 28244, 40549, 50348, 52804, 56488, 81098, 100696, 105608, 112976, 162196, 201392, 211216, 289501, 303623, 324392, 541241, 579002, 607246, 648784, 1082482, 1158004, 1214492, 2164964, 2316008, 2428984, 4329928, 4632016, 4857968, 8659856, 12448543, 24897086, 49794172, 99588344, 199176688]

約数ペア:

[(1, 199176688), (2, 99588344), (4, 49794172), (8, 24897086), (16, 12448543), (23, 8659856), (41, 4857968), (43, 4632016), (46, 4329928), (82, 2428984), (86, 2316008), (92, 2164964), (164, 1214492), (172, 1158004), (184, 1082482), (307, 648784), (328, 607246), (344, 579002), (368, 541241), (614, 324392), (656, 303623), (688, 289501), (943, 211216), (989, 201392), (1228, 162196), (1763, 112976), (1886, 105608), (1978, 100696), (2456, 81098), (3526, 56488), (3772, 52804), (3956, 50348), (4912, 40549), (7052, 28244), (7061, 28208), (7544, 26402), (7912, 25174), (12587, 15824), (13201, 15088), (14104, 14122)]