778899184

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 1754887680

約数和(自身を除く): 975988496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 251, 269, 412, 502, 538, 721, 824, 1004, 1076, 1442, 1648, 1757, 1883, 2008, 2152, 2884, 3514, 3766, 4016, 4304, 5768, 7028, 7532, 11536, 14056, 15064, 25853, 27707, 28112, 30128, 51706, 55414, 67519, 103412, 110828, 135038, 180971, 193949, 206824, 221656, 270076, 361942, 387898, 413648, 443312, 472633, 540152, 723884, 775796, 945266, 1080304, 1447768, 1551592, 1890532, 2895536, 3103184, 3781064, 6954457, 7562128, 13908914, 27817828, 48681199, 55635656, 97362398, 111271312, 194724796, 389449592, 778899184]

約数ペア:

[(1, 778899184), (2, 389449592), (4, 194724796), (7, 111271312), (8, 97362398), (14, 55635656), (16, 48681199), (28, 27817828), (56, 13908914), (103, 7562128), (112, 6954457), (206, 3781064), (251, 3103184), (269, 2895536), (412, 1890532), (502, 1551592), (538, 1447768), (721, 1080304), (824, 945266), (1004, 775796), (1076, 723884), (1442, 540152), (1648, 472633), (1757, 443312), (1883, 413648), (2008, 387898), (2152, 361942), (2884, 270076), (3514, 221656), (3766, 206824), (4016, 193949), (4304, 180971), (5768, 135038), (7028, 110828), (7532, 103412), (11536, 67519), (14056, 55414), (15064, 51706), (25853, 30128), (27707, 28112)]