217499008

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 444801600

約数和(自身を除く): 227302592

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 137, 157, 158, 274, 314, 316, 548, 628, 632, 1096, 1256, 1264, 2192, 2512, 2528, 4384, 5024, 5056, 8768, 10048, 10112, 10823, 12403, 17536, 20096, 21509, 21646, 24806, 43018, 43292, 49612, 86036, 86584, 99224, 172072, 173168, 198448, 344144, 346336, 396896, 688288, 692672, 793792, 1376576, 1385344, 1587584, 1699211, 2753152, 3398422, 6796844, 13593688, 27187376, 54374752, 108749504, 217499008]

約数ペア:

[(1, 217499008), (2, 108749504), (4, 54374752), (8, 27187376), (16, 13593688), (32, 6796844), (64, 3398422), (79, 2753152), (128, 1699211), (137, 1587584), (157, 1385344), (158, 1376576), (274, 793792), (314, 692672), (316, 688288), (548, 396896), (628, 346336), (632, 344144), (1096, 198448), (1256, 173168), (1264, 172072), (2192, 99224), (2512, 86584), (2528, 86036), (4384, 49612), (5024, 43292), (5056, 43018), (8768, 24806), (10048, 21646), (10112, 21509), (10823, 20096), (12403, 17536)]