388656548

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 839344128

約数和(自身を除く): 450687580

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 67, 82, 124, 134, 163, 164, 217, 268, 287, 326, 434, 469, 574, 652, 868, 938, 1141, 1148, 1271, 1876, 2077, 2282, 2542, 2747, 4154, 4564, 5053, 5084, 5494, 6683, 8308, 8897, 10106, 10921, 10988, 13366, 14539, 17794, 19229, 20212, 21842, 26732, 29078, 35371, 35588, 38458, 43684, 46781, 58156, 70742, 76447, 76916, 85157, 93562, 141484, 152894, 170314, 187124, 207173, 305788, 338551, 340628, 414346, 447761, 596099, 677102, 828692, 895522, 1192198, 1354204, 1450211, 1791044, 2369857, 2384396, 2900422, 3134327, 4739714, 5800844, 6268654, 9479428, 12537308, 13880591, 27761182, 55522364, 97164137, 194328274, 388656548]

約数ペア:

[(1, 388656548), (2, 194328274), (4, 97164137), (7, 55522364), (14, 27761182), (28, 13880591), (31, 12537308), (41, 9479428), (62, 6268654), (67, 5800844), (82, 4739714), (124, 3134327), (134, 2900422), (163, 2384396), (164, 2369857), (217, 1791044), (268, 1450211), (287, 1354204), (326, 1192198), (434, 895522), (469, 828692), (574, 677102), (652, 596099), (868, 447761), (938, 414346), (1141, 340628), (1148, 338551), (1271, 305788), (1876, 207173), (2077, 187124), (2282, 170314), (2542, 152894), (2747, 141484), (4154, 93562), (4564, 85157), (5053, 76916), (5084, 76447), (5494, 70742), (6683, 58156), (8308, 46781), (8897, 43684), (10106, 38458), (10921, 35588), (10988, 35371), (13366, 29078), (14539, 26732), (17794, 21842), (19229, 20212)]