31311588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 95606784

約数和(自身を除く): 64295196

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 49, 66, 77, 84, 94, 98, 103, 132, 141, 147, 154, 188, 196, 206, 231, 282, 294, 308, 309, 329, 412, 462, 517, 539, 564, 588, 618, 658, 721, 924, 987, 1034, 1078, 1133, 1236, 1316, 1442, 1551, 1617, 1974, 2068, 2156, 2163, 2266, 2303, 2884, 3102, 3234, 3399, 3619, 3948, 4326, 4532, 4606, 4841, 5047, 6204, 6468, 6798, 6909, 7238, 7931, 8652, 9212, 9682, 10094, 10857, 13596, 13818, 14476, 14523, 15141, 15862, 19364, 20188, 21714, 23793, 25333, 27636, 29046, 30282, 31724, 33887, 43428, 47586, 50666, 53251, 55517, 58092, 60564, 67774, 75999, 95172, 101332, 101661, 106502, 111034, 135548, 151998, 159753, 166551, 203322, 213004, 222068, 237209, 303996, 319506, 333102, 372757, 406644, 474418, 639012, 666204, 711627, 745514, 948836, 1118271, 1423254, 1491028, 2236542, 2609299, 2846508, 4473084, 5218598, 7827897, 10437196, 15655794, 31311588]

約数ペア:

[(1, 31311588), (2, 15655794), (3, 10437196), (4, 7827897), (6, 5218598), (7, 4473084), (11, 2846508), (12, 2609299), (14, 2236542), (21, 1491028), (22, 1423254), (28, 1118271), (33, 948836), (42, 745514), (44, 711627), (47, 666204), (49, 639012), (66, 474418), (77, 406644), (84, 372757), (94, 333102), (98, 319506), (103, 303996), (132, 237209), (141, 222068), (147, 213004), (154, 203322), (188, 166551), (196, 159753), (206, 151998), (231, 135548), (282, 111034), (294, 106502), (308, 101661), (309, 101332), (329, 95172), (412, 75999), (462, 67774), (517, 60564), (539, 58092), (564, 55517), (588, 53251), (618, 50666), (658, 47586), (721, 43428), (924, 33887), (987, 31724), (1034, 30282), (1078, 29046), (1133, 27636), (1236, 25333), (1316, 23793), (1442, 21714), (1551, 20188), (1617, 19364), (1974, 15862), (2068, 15141), (2156, 14523), (2163, 14476), (2266, 13818), (2303, 13596), (2884, 10857), (3102, 10094), (3234, 9682), (3399, 9212), (3619, 8652), (3948, 7931), (4326, 7238), (4532, 6909), (4606, 6798), (4841, 6468), (5047, 6204)]