256843048

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 630374400

約数和(自身を除く): 373531352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 59, 74, 77, 88, 118, 148, 154, 191, 236, 259, 296, 308, 382, 407, 413, 472, 518, 616, 649, 764, 814, 826, 1036, 1298, 1337, 1528, 1628, 1652, 2072, 2101, 2183, 2596, 2674, 2849, 3256, 3304, 4202, 4366, 4543, 5192, 5348, 5698, 7067, 8404, 8732, 9086, 10696, 11269, 11396, 14134, 14707, 15281, 16808, 17464, 18172, 22538, 22792, 24013, 28268, 29414, 30562, 36344, 45076, 48026, 49469, 56536, 58828, 61124, 77737, 78883, 90152, 96052, 98938, 117656, 122248, 123959, 155474, 157766, 168091, 192104, 197876, 247918, 310948, 315532, 336182, 395752, 416953, 495836, 544159, 621896, 631064, 672364, 833906, 867713, 991672, 1088318, 1344728, 1667812, 1735426, 2176636, 2918671, 3335624, 3470852, 4353272, 4586483, 5837342, 6941704, 9172966, 11674684, 18345932, 23349368, 32105381, 36691864, 64210762, 128421524, 256843048]

約数ペア:

[(1, 256843048), (2, 128421524), (4, 64210762), (7, 36691864), (8, 32105381), (11, 23349368), (14, 18345932), (22, 11674684), (28, 9172966), (37, 6941704), (44, 5837342), (56, 4586483), (59, 4353272), (74, 3470852), (77, 3335624), (88, 2918671), (118, 2176636), (148, 1735426), (154, 1667812), (191, 1344728), (236, 1088318), (259, 991672), (296, 867713), (308, 833906), (382, 672364), (407, 631064), (413, 621896), (472, 544159), (518, 495836), (616, 416953), (649, 395752), (764, 336182), (814, 315532), (826, 310948), (1036, 247918), (1298, 197876), (1337, 192104), (1528, 168091), (1628, 157766), (1652, 155474), (2072, 123959), (2101, 122248), (2183, 117656), (2596, 98938), (2674, 96052), (2849, 90152), (3256, 78883), (3304, 77737), (4202, 61124), (4366, 58828), (4543, 56536), (5192, 49469), (5348, 48026), (5698, 45076), (7067, 36344), (8404, 30562), (8732, 29414), (9086, 28268), (10696, 24013), (11269, 22792), (11396, 22538), (14134, 18172), (14707, 17464), (15281, 16808)]