28005813612

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{204667}}^1$

素因数の和:204868

約数の個数: 96

約数和(自身を含む): 83439050240

約数和(自身を除く): 55433236628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 181, 189, 252, 362, 378, 543, 724, 756, 1086, 1267, 1629, 2172, 2534, 3258, 3801, 4887, 5068, 6516, 7602, 9774, 11403, 15204, 19548, 22806, 34209, 45612, 68418, 136836, 204667, 409334, 614001, 818668, 1228002, 1432669, 1842003, 2456004, 2865338, 3684006, 4298007, 5526009, 5730676, 7368012, 8596014, 11052018, 12894021, 17192028, 22104036, 25788042, 37044727, 38682063, 51576084, 74089454, 77364126, 111134181, 148178908, 154728252, 222268362, 259313089, 333402543, 444536724, 518626178, 666805086, 777939267, 1000207629, 1037252356, 1333610172, 1555878534, 2000415258, 2333817801, 3111757068, 4000830516, 4667635602, 7001453403, 9335271204, 14002906806, 28005813612]

約数ペア:

[(1, 28005813612), (2, 14002906806), (3, 9335271204), (4, 7001453403), (6, 4667635602), (7, 4000830516), (9, 3111757068), (12, 2333817801), (14, 2000415258), (18, 1555878534), (21, 1333610172), (27, 1037252356), (28, 1000207629), (36, 777939267), (42, 666805086), (54, 518626178), (63, 444536724), (84, 333402543), (108, 259313089), (126, 222268362), (181, 154728252), (189, 148178908), (252, 111134181), (362, 77364126), (378, 74089454), (543, 51576084), (724, 38682063), (756, 37044727), (1086, 25788042), (1267, 22104036), (1629, 17192028), (2172, 12894021), (2534, 11052018), (3258, 8596014), (3801, 7368012), (4887, 5730676), (5068, 5526009), (6516, 4298007), (7602, 3684006), (9774, 2865338), (11403, 2456004), (15204, 1842003), (19548, 1432669), (22806, 1228002), (34209, 818668), (45612, 614001), (68418, 409334), (136836, 204667)]