257027344

素因数分解:

$2^4\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2393}}^1$

素因数の和:2552

約数の個数: 60

約数和(自身を含む): 583767324

約数和(自身を除く): 326739980

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 137, 196, 274, 392, 548, 784, 959, 1096, 1918, 2192, 2393, 3836, 4786, 6713, 7672, 9572, 13426, 15344, 16751, 19144, 26852, 33502, 38288, 53704, 67004, 107408, 117257, 134008, 234514, 268016, 327841, 469028, 655682, 938056, 1311364, 1876112, 2294887, 2622728, 4589774, 5245456, 9179548, 16064209, 18359096, 32128418, 36718192, 64256836, 128513672, 257027344]

約数ペア:

[(1, 257027344), (2, 128513672), (4, 64256836), (7, 36718192), (8, 32128418), (14, 18359096), (16, 16064209), (28, 9179548), (49, 5245456), (56, 4589774), (98, 2622728), (112, 2294887), (137, 1876112), (196, 1311364), (274, 938056), (392, 655682), (548, 469028), (784, 327841), (959, 268016), (1096, 234514), (1918, 134008), (2192, 117257), (2393, 107408), (3836, 67004), (4786, 53704), (6713, 38288), (7672, 33502), (9572, 26852), (13426, 19144), (15344, 16751)]