721478244

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 1782753280

約数和(自身を除く): 1061275036

約数列:

[1, 2, 3, 4, 6, 12, 37, 67, 74, 79, 111, 134, 148, 158, 201, 222, 237, 268, 307, 316, 402, 444, 474, 614, 804, 921, 948, 1228, 1842, 2479, 2923, 3684, 4958, 5293, 5846, 7437, 8769, 9916, 10586, 11359, 11692, 14874, 15879, 17538, 20569, 21172, 22718, 24253, 29748, 31758, 34077, 35076, 41138, 45436, 48506, 61707, 63516, 68154, 72759, 82276, 97012, 123414, 136308, 145518, 195841, 246828, 291036, 391682, 587523, 761053, 783364, 897361, 1175046, 1522106, 1624951, 1794722, 2283159, 2350092, 2692083, 3044212, 3249902, 3589444, 4566318, 4874853, 5384166, 6499804, 9132636, 9749706, 10768332, 19499412, 60123187, 120246374, 180369561, 240492748, 360739122, 721478244]

約数ペア:

[(1, 721478244), (2, 360739122), (3, 240492748), (4, 180369561), (6, 120246374), (12, 60123187), (37, 19499412), (67, 10768332), (74, 9749706), (79, 9132636), (111, 6499804), (134, 5384166), (148, 4874853), (158, 4566318), (201, 3589444), (222, 3249902), (237, 3044212), (268, 2692083), (307, 2350092), (316, 2283159), (402, 1794722), (444, 1624951), (474, 1522106), (614, 1175046), (804, 897361), (921, 783364), (948, 761053), (1228, 587523), (1842, 391682), (2479, 291036), (2923, 246828), (3684, 195841), (4958, 145518), (5293, 136308), (5846, 123414), (7437, 97012), (8769, 82276), (9916, 72759), (10586, 68154), (11359, 63516), (11692, 61707), (14874, 48506), (15879, 45436), (17538, 41138), (20569, 35076), (21172, 34077), (22718, 31758), (24253, 29748)]