128941064

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 286675200

約数和(自身を除く): 157734136

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 89, 164, 178, 287, 328, 356, 574, 623, 631, 712, 1148, 1246, 1262, 2296, 2492, 2524, 3649, 4417, 4984, 5048, 7298, 8834, 14596, 17668, 25543, 25871, 29192, 35336, 51086, 51742, 56159, 102172, 103484, 112318, 181097, 204344, 206968, 224636, 362194, 393113, 449272, 724388, 786226, 1448776, 1572452, 2302519, 3144904, 4605038, 9210076, 16117633, 18420152, 32235266, 64470532, 128941064]

約数ペア:

[(1, 128941064), (2, 64470532), (4, 32235266), (7, 18420152), (8, 16117633), (14, 9210076), (28, 4605038), (41, 3144904), (56, 2302519), (82, 1572452), (89, 1448776), (164, 786226), (178, 724388), (287, 449272), (328, 393113), (356, 362194), (574, 224636), (623, 206968), (631, 204344), (712, 181097), (1148, 112318), (1246, 103484), (1262, 102172), (2296, 56159), (2492, 51742), (2524, 51086), (3649, 35336), (4417, 29192), (4984, 25871), (5048, 25543), (7298, 17668), (8834, 14596)]