256865672

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 562974720

約数和(自身を除く): 306109048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 223, 268, 307, 446, 469, 536, 614, 892, 938, 1228, 1561, 1784, 1876, 2149, 2456, 3122, 3752, 4298, 6244, 8596, 12488, 14941, 17192, 20569, 29882, 41138, 59764, 68461, 82276, 104587, 119528, 136922, 143983, 164552, 209174, 273844, 287966, 418348, 479227, 547688, 575932, 836696, 958454, 1151864, 1916908, 3833816, 4586887, 9173774, 18347548, 32108209, 36695096, 64216418, 128432836, 256865672]

約数ペア:

[(1, 256865672), (2, 128432836), (4, 64216418), (7, 36695096), (8, 32108209), (14, 18347548), (28, 9173774), (56, 4586887), (67, 3833816), (134, 1916908), (223, 1151864), (268, 958454), (307, 836696), (446, 575932), (469, 547688), (536, 479227), (614, 418348), (892, 287966), (938, 273844), (1228, 209174), (1561, 164552), (1784, 143983), (1876, 136922), (2149, 119528), (2456, 104587), (3122, 82276), (3752, 68461), (4298, 59764), (6244, 41138), (8596, 29882), (12488, 20569), (14941, 17192)]