128347856

素因数分解:

$2^4\times 7^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 100

約数和(自身を含む): 313633572

約数和(自身を除く): 185285716

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 257, 343, 364, 392, 514, 637, 686, 728, 784, 1028, 1274, 1372, 1456, 1799, 2056, 2401, 2548, 2744, 3341, 3598, 4112, 4459, 4802, 5096, 5488, 6682, 7196, 8918, 9604, 10192, 12593, 13364, 14392, 17836, 19208, 23387, 25186, 26728, 28784, 31213, 35672, 38416, 46774, 50372, 53456, 62426, 71344, 88151, 93548, 100744, 124852, 163709, 176302, 187096, 201488, 249704, 327418, 352604, 374192, 499408, 617057, 654836, 705208, 1145963, 1234114, 1309672, 1410416, 2291926, 2468228, 2619344, 4583852, 4936456, 8021741, 9167704, 9872912, 16043482, 18335408, 32086964, 64173928, 128347856]

約数ペア:

[(1, 128347856), (2, 64173928), (4, 32086964), (7, 18335408), (8, 16043482), (13, 9872912), (14, 9167704), (16, 8021741), (26, 4936456), (28, 4583852), (49, 2619344), (52, 2468228), (56, 2291926), (91, 1410416), (98, 1309672), (104, 1234114), (112, 1145963), (182, 705208), (196, 654836), (208, 617057), (257, 499408), (343, 374192), (364, 352604), (392, 327418), (514, 249704), (637, 201488), (686, 187096), (728, 176302), (784, 163709), (1028, 124852), (1274, 100744), (1372, 93548), (1456, 88151), (1799, 71344), (2056, 62426), (2401, 53456), (2548, 50372), (2744, 46774), (3341, 38416), (3598, 35672), (4112, 31213), (4459, 28784), (4802, 26728), (5096, 25186), (5488, 23387), (6682, 19208), (7196, 17836), (8918, 14392), (9604, 13364), (10192, 12593)]