257587788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{1193}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 633870720

約数和(自身を除く): 376282932

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 947, 1193, 1894, 2386, 2841, 3579, 3788, 4772, 5682, 7158, 11364, 14316, 17993, 22667, 35986, 45334, 53979, 68001, 71972, 90668, 107958, 136002, 215916, 272004, 1129771, 2259542, 3389313, 4519084, 6778626, 13557252, 21465649, 42931298, 64396947, 85862596, 128793894, 257587788]

約数ペア:

[(1, 257587788), (2, 128793894), (3, 85862596), (4, 64396947), (6, 42931298), (12, 21465649), (19, 13557252), (38, 6778626), (57, 4519084), (76, 3389313), (114, 2259542), (228, 1129771), (947, 272004), (1193, 215916), (1894, 136002), (2386, 107958), (2841, 90668), (3579, 71972), (3788, 68001), (4772, 53979), (5682, 45334), (7158, 35986), (11364, 22667), (14316, 17993)]