311256918

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:488

約数の個数: 120

約数和(自身を含む): 820853352

約数和(自身を除く): 509596434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 113, 126, 147, 162, 189, 226, 294, 339, 347, 378, 441, 567, 678, 694, 791, 882, 1017, 1041, 1134, 1323, 1582, 2034, 2082, 2373, 2429, 2646, 3051, 3123, 3969, 4746, 4858, 5537, 6102, 6246, 7119, 7287, 7938, 9153, 9369, 11074, 14238, 14574, 16611, 17003, 18306, 18738, 21357, 21861, 28107, 33222, 34006, 39211, 42714, 43722, 49833, 51009, 56214, 64071, 65583, 78422, 99666, 102018, 117633, 128142, 131166, 149499, 153027, 196749, 235266, 274477, 298998, 306054, 352899, 393498, 448497, 459081, 548954, 705798, 823431, 896994, 918162, 1058697, 1377243, 1646862, 1921339, 2117394, 2470293, 2754486, 3176091, 3842678, 4940586, 5764017, 6352182, 7410879, 11528034, 14821758, 17292051, 22232637, 34584102, 44465274, 51876153, 103752306, 155628459, 311256918]

約数ペア:

[(1, 311256918), (2, 155628459), (3, 103752306), (6, 51876153), (7, 44465274), (9, 34584102), (14, 22232637), (18, 17292051), (21, 14821758), (27, 11528034), (42, 7410879), (49, 6352182), (54, 5764017), (63, 4940586), (81, 3842678), (98, 3176091), (113, 2754486), (126, 2470293), (147, 2117394), (162, 1921339), (189, 1646862), (226, 1377243), (294, 1058697), (339, 918162), (347, 896994), (378, 823431), (441, 705798), (567, 548954), (678, 459081), (694, 448497), (791, 393498), (882, 352899), (1017, 306054), (1041, 298998), (1134, 274477), (1323, 235266), (1582, 196749), (2034, 153027), (2082, 149499), (2373, 131166), (2429, 128142), (2646, 117633), (3051, 102018), (3123, 99666), (3969, 78422), (4746, 65583), (4858, 64071), (5537, 56214), (6102, 51009), (6246, 49833), (7119, 43722), (7287, 42714), (7938, 39211), (9153, 34006), (9369, 33222), (11074, 28107), (14238, 21861), (14574, 21357), (16611, 18738), (17003, 18306)]