208381712

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 520939872

約数和(自身を除く): 312558160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 73, 77, 88, 98, 112, 146, 154, 176, 196, 292, 308, 331, 392, 511, 539, 584, 616, 662, 784, 803, 1022, 1078, 1168, 1232, 1324, 1606, 2044, 2156, 2317, 2648, 3212, 3577, 3641, 4088, 4312, 4634, 5296, 5621, 6424, 7154, 7282, 8176, 8624, 9268, 11242, 12848, 14308, 14564, 16219, 18536, 22484, 24163, 25487, 28616, 29128, 32438, 37072, 39347, 44968, 48326, 50974, 57232, 58256, 64876, 78694, 89936, 96652, 101948, 129752, 157388, 169141, 178409, 193304, 203896, 259504, 265793, 314776, 338282, 356818, 386608, 407792, 531586, 629552, 676564, 713636, 1063172, 1183987, 1353128, 1427272, 1860551, 2126344, 2367974, 2706256, 2854544, 3721102, 4252688, 4735948, 7442204, 9471896, 13023857, 14884408, 18943792, 26047714, 29768816, 52095428, 104190856, 208381712]

約数ペア:

[(1, 208381712), (2, 104190856), (4, 52095428), (7, 29768816), (8, 26047714), (11, 18943792), (14, 14884408), (16, 13023857), (22, 9471896), (28, 7442204), (44, 4735948), (49, 4252688), (56, 3721102), (73, 2854544), (77, 2706256), (88, 2367974), (98, 2126344), (112, 1860551), (146, 1427272), (154, 1353128), (176, 1183987), (196, 1063172), (292, 713636), (308, 676564), (331, 629552), (392, 531586), (511, 407792), (539, 386608), (584, 356818), (616, 338282), (662, 314776), (784, 265793), (803, 259504), (1022, 203896), (1078, 193304), (1168, 178409), (1232, 169141), (1324, 157388), (1606, 129752), (2044, 101948), (2156, 96652), (2317, 89936), (2648, 78694), (3212, 64876), (3577, 58256), (3641, 57232), (4088, 50974), (4312, 48326), (4634, 44968), (5296, 39347), (5621, 37072), (6424, 32438), (7154, 29128), (7282, 28616), (8176, 25487), (8624, 24163), (9268, 22484), (11242, 18536), (12848, 16219), (14308, 14564)]