256137128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 544320000

約数和(自身を除く): 288182872

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 53, 62, 104, 106, 124, 212, 248, 403, 424, 689, 806, 1378, 1499, 1612, 1643, 2756, 2998, 3224, 3286, 5512, 5996, 6572, 11992, 13144, 19487, 21359, 38974, 42718, 46469, 77948, 79447, 85436, 92938, 155896, 158894, 170872, 185876, 317788, 371752, 604097, 635576, 1032811, 1208194, 2065622, 2416388, 2462857, 4131244, 4832776, 4925714, 8262488, 9851428, 19702856, 32017141, 64034282, 128068564, 256137128]

約数ペア:

[(1, 256137128), (2, 128068564), (4, 64034282), (8, 32017141), (13, 19702856), (26, 9851428), (31, 8262488), (52, 4925714), (53, 4832776), (62, 4131244), (104, 2462857), (106, 2416388), (124, 2065622), (212, 1208194), (248, 1032811), (403, 635576), (424, 604097), (689, 371752), (806, 317788), (1378, 185876), (1499, 170872), (1612, 158894), (1643, 155896), (2756, 92938), (2998, 85436), (3224, 79447), (3286, 77948), (5512, 46469), (5996, 42718), (6572, 38974), (11992, 21359), (13144, 19487)]