208543944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1811

約数の個数: 128

約数和(自身を含む): 642170880

約数和(自身を除く): 433626936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 31, 42, 46, 56, 62, 69, 84, 92, 93, 124, 138, 161, 168, 184, 186, 217, 248, 276, 322, 372, 434, 483, 552, 644, 651, 713, 744, 868, 966, 1288, 1302, 1426, 1736, 1741, 1932, 2139, 2604, 2852, 3482, 3864, 4278, 4991, 5208, 5223, 5704, 6964, 8556, 9982, 10446, 12187, 13928, 14973, 17112, 19964, 20892, 24374, 29946, 36561, 39928, 40043, 41784, 48748, 53971, 59892, 73122, 80086, 97496, 107942, 119784, 120129, 146244, 160172, 161913, 215884, 240258, 280301, 292488, 320344, 323826, 377797, 431768, 480516, 560602, 647652, 755594, 840903, 961032, 1121204, 1133391, 1241333, 1295304, 1511188, 1681806, 2242408, 2266782, 2482666, 3022376, 3363612, 3723999, 4533564, 4965332, 6727224, 7447998, 8689331, 9067128, 9930664, 14895996, 17378662, 26067993, 29791992, 34757324, 52135986, 69514648, 104271972, 208543944]

約数ペア:

[(1, 208543944), (2, 104271972), (3, 69514648), (4, 52135986), (6, 34757324), (7, 29791992), (8, 26067993), (12, 17378662), (14, 14895996), (21, 9930664), (23, 9067128), (24, 8689331), (28, 7447998), (31, 6727224), (42, 4965332), (46, 4533564), (56, 3723999), (62, 3363612), (69, 3022376), (84, 2482666), (92, 2266782), (93, 2242408), (124, 1681806), (138, 1511188), (161, 1295304), (168, 1241333), (184, 1133391), (186, 1121204), (217, 961032), (248, 840903), (276, 755594), (322, 647652), (372, 560602), (434, 480516), (483, 431768), (552, 377797), (644, 323826), (651, 320344), (713, 292488), (744, 280301), (868, 240258), (966, 215884), (1288, 161913), (1302, 160172), (1426, 146244), (1736, 120129), (1741, 119784), (1932, 107942), (2139, 97496), (2604, 80086), (2852, 73122), (3482, 59892), (3864, 53971), (4278, 48748), (4991, 41784), (5208, 40043), (5223, 39928), (5704, 36561), (6964, 29946), (8556, 24374), (9982, 20892), (10446, 19964), (12187, 17112), (13928, 14973)]