491640016

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4091}}^1$

素因数の和:4172

約数の個数: 80

約数和(自身を含む): 1156890240

約数和(自身を除く): 665250224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 37, 56, 58, 74, 112, 116, 148, 203, 232, 259, 296, 406, 464, 518, 592, 812, 1036, 1073, 1624, 2072, 2146, 3248, 4091, 4144, 4292, 7511, 8182, 8584, 15022, 16364, 17168, 28637, 30044, 32728, 57274, 60088, 65456, 114548, 118639, 120176, 151367, 229096, 237278, 302734, 458192, 474556, 605468, 830473, 949112, 1059569, 1210936, 1660946, 1898224, 2119138, 2421872, 3321892, 4238276, 4389643, 6643784, 8476552, 8779286, 13287568, 16953104, 17558572, 30727501, 35117144, 61455002, 70234288, 122910004, 245820008, 491640016]

約数ペア:

[(1, 491640016), (2, 245820008), (4, 122910004), (7, 70234288), (8, 61455002), (14, 35117144), (16, 30727501), (28, 17558572), (29, 16953104), (37, 13287568), (56, 8779286), (58, 8476552), (74, 6643784), (112, 4389643), (116, 4238276), (148, 3321892), (203, 2421872), (232, 2119138), (259, 1898224), (296, 1660946), (406, 1210936), (464, 1059569), (518, 949112), (592, 830473), (812, 605468), (1036, 474556), (1073, 458192), (1624, 302734), (2072, 237278), (2146, 229096), (3248, 151367), (4091, 120176), (4144, 118639), (4292, 114548), (7511, 65456), (8182, 60088), (8584, 57274), (15022, 32728), (16364, 30044), (17168, 28637)]