25240292

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 58605120

約数和(自身を除く): 33364828

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 509, 539, 644, 1012, 1018, 1078, 1127, 1771, 2036, 2156, 2254, 3542, 3563, 4508, 5599, 7084, 7126, 11198, 11707, 12397, 14252, 22396, 23414, 24794, 24941, 39193, 46828, 49588, 49882, 78386, 81949, 99764, 128777, 156772, 163898, 257554, 274351, 327796, 515108, 548702, 573643, 901439, 1097404, 1147286, 1802878, 2294572, 3605756, 6310073, 12620146, 25240292]

約数ペア:

[(1, 25240292), (2, 12620146), (4, 6310073), (7, 3605756), (11, 2294572), (14, 1802878), (22, 1147286), (23, 1097404), (28, 901439), (44, 573643), (46, 548702), (49, 515108), (77, 327796), (92, 274351), (98, 257554), (154, 163898), (161, 156772), (196, 128777), (253, 99764), (308, 81949), (322, 78386), (506, 49882), (509, 49588), (539, 46828), (644, 39193), (1012, 24941), (1018, 24794), (1078, 23414), (1127, 22396), (1771, 14252), (2036, 12397), (2156, 11707), (2254, 11198), (3542, 7126), (3563, 7084), (4508, 5599)]