138681886

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 265006080

約数和(自身を除く): 126324194

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 71, 119, 142, 203, 238, 283, 406, 493, 497, 566, 986, 994, 1207, 1981, 2059, 2414, 3451, 3962, 4118, 4811, 6902, 8207, 8449, 9622, 14413, 16414, 16898, 20093, 28826, 33677, 35003, 40186, 57449, 67354, 70006, 114898, 139519, 140651, 245021, 279038, 281302, 341581, 490042, 582697, 683162, 976633, 1165394, 1953266, 2391067, 4078879, 4782134, 8157758, 9905849, 19811698, 69340943, 138681886]

約数ペア:

[(1, 138681886), (2, 69340943), (7, 19811698), (14, 9905849), (17, 8157758), (29, 4782134), (34, 4078879), (58, 2391067), (71, 1953266), (119, 1165394), (142, 976633), (203, 683162), (238, 582697), (283, 490042), (406, 341581), (493, 281302), (497, 279038), (566, 245021), (986, 140651), (994, 139519), (1207, 114898), (1981, 70006), (2059, 67354), (2414, 57449), (3451, 40186), (3962, 35003), (4118, 33677), (4811, 28826), (6902, 20093), (8207, 16898), (8449, 16414), (9622, 14413)]