661686784

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6911}}^1$

素因数の和:6957

約数の個数: 80

約数和(自身を含む): 1527330816

約数和(自身を除く): 865644032

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 512, 544, 704, 748, 1088, 1408, 1496, 2176, 2816, 2992, 4352, 5632, 5984, 6911, 8704, 11968, 13822, 23936, 27644, 47872, 55288, 76021, 95744, 110576, 117487, 152042, 221152, 234974, 304084, 442304, 469948, 608168, 884608, 939896, 1216336, 1292357, 1769216, 1879792, 2432672, 2584714, 3538432, 3759584, 4865344, 5169428, 7519168, 9730688, 10338856, 15038336, 19461376, 20677712, 30076672, 38922752, 41355424, 60153344, 82710848, 165421696, 330843392, 661686784]

約数ペア:

[(1, 661686784), (2, 330843392), (4, 165421696), (8, 82710848), (11, 60153344), (16, 41355424), (17, 38922752), (22, 30076672), (32, 20677712), (34, 19461376), (44, 15038336), (64, 10338856), (68, 9730688), (88, 7519168), (128, 5169428), (136, 4865344), (176, 3759584), (187, 3538432), (256, 2584714), (272, 2432672), (352, 1879792), (374, 1769216), (512, 1292357), (544, 1216336), (704, 939896), (748, 884608), (1088, 608168), (1408, 469948), (1496, 442304), (2176, 304084), (2816, 234974), (2992, 221152), (4352, 152042), (5632, 117487), (5984, 110576), (6911, 95744), (8704, 76021), (11968, 55288), (13822, 47872), (23936, 27644)]