422556784

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:207

約数の個数: 90

約数和(自身を含む): 928193568

約数和(自身を除く): 505636784

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 169, 208, 248, 284, 338, 403, 496, 568, 676, 806, 923, 1136, 1352, 1612, 1846, 2201, 2704, 3224, 3692, 4402, 5041, 5239, 6448, 7384, 8804, 10082, 10478, 11999, 14768, 17608, 20164, 20956, 23998, 28613, 35216, 40328, 41912, 47996, 57226, 65533, 80656, 83824, 95992, 114452, 131066, 156271, 191984, 228904, 262132, 312542, 371969, 457808, 524264, 625084, 743938, 851929, 1048528, 1250168, 1487876, 1703858, 2031523, 2500336, 2975752, 3407716, 4063046, 5951504, 6815432, 8126092, 13630864, 16252184, 26409799, 32504368, 52819598, 105639196, 211278392, 422556784]

約数ペア:

[(1, 422556784), (2, 211278392), (4, 105639196), (8, 52819598), (13, 32504368), (16, 26409799), (26, 16252184), (31, 13630864), (52, 8126092), (62, 6815432), (71, 5951504), (104, 4063046), (124, 3407716), (142, 2975752), (169, 2500336), (208, 2031523), (248, 1703858), (284, 1487876), (338, 1250168), (403, 1048528), (496, 851929), (568, 743938), (676, 625084), (806, 524264), (923, 457808), (1136, 371969), (1352, 312542), (1612, 262132), (1846, 228904), (2201, 191984), (2704, 156271), (3224, 131066), (3692, 114452), (4402, 95992), (5041, 83824), (5239, 80656), (6448, 65533), (7384, 57226), (8804, 47996), (10082, 41912), (10478, 40328), (11999, 35216), (14768, 28613), (17608, 23998), (20164, 20956)]