289738372

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 108

約数和(自身を含む): 683502960

約数和(自身を除く): 393764588

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 121, 133, 154, 196, 209, 242, 266, 308, 418, 484, 532, 539, 643, 836, 847, 931, 1078, 1286, 1463, 1694, 1862, 2156, 2299, 2572, 2926, 3388, 3724, 4501, 4598, 5852, 5929, 7073, 9002, 9196, 10241, 11858, 12217, 14146, 16093, 18004, 20482, 23716, 24434, 28292, 31507, 32186, 40964, 48868, 49511, 63014, 64372, 77803, 85519, 99022, 112651, 126028, 134387, 155606, 171038, 198044, 225302, 268774, 311212, 342076, 346577, 450604, 537548, 544621, 598633, 693154, 940709, 1089242, 1197266, 1386308, 1478257, 1881418, 2178484, 2394532, 2956514, 3762836, 3812347, 5913028, 6584963, 7624694, 10347799, 13169926, 15249388, 20695598, 26339852, 41391196, 72434593, 144869186, 289738372]

約数ペア:

[(1, 289738372), (2, 144869186), (4, 72434593), (7, 41391196), (11, 26339852), (14, 20695598), (19, 15249388), (22, 13169926), (28, 10347799), (38, 7624694), (44, 6584963), (49, 5913028), (76, 3812347), (77, 3762836), (98, 2956514), (121, 2394532), (133, 2178484), (154, 1881418), (196, 1478257), (209, 1386308), (242, 1197266), (266, 1089242), (308, 940709), (418, 693154), (484, 598633), (532, 544621), (539, 537548), (643, 450604), (836, 346577), (847, 342076), (931, 311212), (1078, 268774), (1286, 225302), (1463, 198044), (1694, 171038), (1862, 155606), (2156, 134387), (2299, 126028), (2572, 112651), (2926, 99022), (3388, 85519), (3724, 77803), (4501, 64372), (4598, 63014), (5852, 49511), (5929, 48868), (7073, 40964), (9002, 32186), (9196, 31507), (10241, 28292), (11858, 24434), (12217, 23716), (14146, 20482), (16093, 18004)]