128432836

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 262721536

約数和(自身を除く): 134288700

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 223, 268, 307, 446, 469, 614, 892, 938, 1228, 1561, 1876, 2149, 3122, 4298, 6244, 8596, 14941, 20569, 29882, 41138, 59764, 68461, 82276, 104587, 136922, 143983, 209174, 273844, 287966, 418348, 479227, 575932, 958454, 1916908, 4586887, 9173774, 18347548, 32108209, 64216418, 128432836]

約数ペア:

[(1, 128432836), (2, 64216418), (4, 32108209), (7, 18347548), (14, 9173774), (28, 4586887), (67, 1916908), (134, 958454), (223, 575932), (268, 479227), (307, 418348), (446, 287966), (469, 273844), (614, 209174), (892, 143983), (938, 136922), (1228, 104587), (1561, 82276), (1876, 68461), (2149, 59764), (3122, 41138), (4298, 29882), (6244, 20569), (8596, 14941)]