398016784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1144

約数の個数: 80

約数和(自身を含む): 898174656

約数和(自身を除く): 500157872

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 137, 176, 187, 272, 274, 374, 548, 748, 971, 1096, 1496, 1507, 1942, 2192, 2329, 2992, 3014, 3884, 4658, 6028, 7768, 9316, 10681, 12056, 15536, 16507, 18632, 21362, 24112, 25619, 33014, 37264, 42724, 51238, 66028, 85448, 102476, 132056, 133027, 170896, 181577, 204952, 264112, 266054, 363154, 409904, 532108, 726308, 1064216, 1452616, 1463297, 2128432, 2261459, 2905232, 2926594, 4522918, 5853188, 9045836, 11706376, 18091672, 23412752, 24876049, 36183344, 49752098, 99504196, 199008392, 398016784]

約数ペア:

[(1, 398016784), (2, 199008392), (4, 99504196), (8, 49752098), (11, 36183344), (16, 24876049), (17, 23412752), (22, 18091672), (34, 11706376), (44, 9045836), (68, 5853188), (88, 4522918), (136, 2926594), (137, 2905232), (176, 2261459), (187, 2128432), (272, 1463297), (274, 1452616), (374, 1064216), (548, 726308), (748, 532108), (971, 409904), (1096, 363154), (1496, 266054), (1507, 264112), (1942, 204952), (2192, 181577), (2329, 170896), (2992, 133027), (3014, 132056), (3884, 102476), (4658, 85448), (6028, 66028), (7768, 51238), (9316, 42724), (10681, 37264), (12056, 33014), (15536, 25619), (16507, 24112), (18632, 21362)]