253369886

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 72

約数和(自身を含む): 507623760

約数和(自身を除く): 254253874

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 121, 154, 161, 242, 253, 322, 506, 539, 847, 929, 1078, 1127, 1694, 1771, 1858, 2254, 2783, 3542, 5566, 5929, 6503, 10219, 11858, 12397, 13006, 19481, 20438, 21367, 24794, 38962, 42734, 45521, 71533, 91042, 112409, 136367, 143066, 149569, 224818, 235037, 272734, 299138, 470074, 500731, 786863, 1001462, 1046983, 1573726, 1645259, 2093966, 2585407, 3290518, 5170814, 5508041, 11016082, 11516813, 18097849, 23033626, 36195698, 126684943, 253369886]

約数ペア:

[(1, 253369886), (2, 126684943), (7, 36195698), (11, 23033626), (14, 18097849), (22, 11516813), (23, 11016082), (46, 5508041), (49, 5170814), (77, 3290518), (98, 2585407), (121, 2093966), (154, 1645259), (161, 1573726), (242, 1046983), (253, 1001462), (322, 786863), (506, 500731), (539, 470074), (847, 299138), (929, 272734), (1078, 235037), (1127, 224818), (1694, 149569), (1771, 143066), (1858, 136367), (2254, 112409), (2783, 91042), (3542, 71533), (5566, 45521), (5929, 42734), (6503, 38962), (10219, 24794), (11858, 21367), (12397, 20438), (13006, 19481)]