28248304

素因数分解:

$2^4\times 7^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 64375344

約数和(自身を除く): 36127040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 137, 196, 263, 274, 392, 526, 548, 784, 959, 1052, 1096, 1841, 1918, 2104, 2192, 3682, 3836, 4208, 6713, 7364, 7672, 12887, 13426, 14728, 15344, 25774, 26852, 29456, 36031, 51548, 53704, 72062, 103096, 107408, 144124, 206192, 252217, 288248, 504434, 576496, 1008868, 1765519, 2017736, 3531038, 4035472, 7062076, 14124152, 28248304]

約数ペア:

[(1, 28248304), (2, 14124152), (4, 7062076), (7, 4035472), (8, 3531038), (14, 2017736), (16, 1765519), (28, 1008868), (49, 576496), (56, 504434), (98, 288248), (112, 252217), (137, 206192), (196, 144124), (263, 107408), (274, 103096), (392, 72062), (526, 53704), (548, 51548), (784, 36031), (959, 29456), (1052, 26852), (1096, 25774), (1841, 15344), (1918, 14728), (2104, 13426), (2192, 12887), (3682, 7672), (3836, 7364), (4208, 6713)]