251783478

素因数分解:

$2^1\times 3^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 112

約数和(自身を含む): 609894000

約数和(自身を除く): 358110522

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 61, 81, 114, 122, 149, 162, 171, 183, 243, 298, 342, 366, 447, 486, 513, 549, 729, 894, 1026, 1098, 1159, 1341, 1458, 1539, 1647, 2318, 2682, 2831, 3078, 3294, 3477, 4023, 4617, 4941, 5662, 6954, 8046, 8493, 9089, 9234, 9882, 10431, 12069, 13851, 14823, 16986, 18178, 20862, 24138, 25479, 27267, 27702, 29646, 31293, 36207, 44469, 50958, 54534, 62586, 72414, 76437, 81801, 88938, 93879, 108621, 152874, 163602, 172691, 187758, 217242, 229311, 245403, 281637, 345382, 458622, 490806, 518073, 563274, 687933, 736209, 844911, 1036146, 1375866, 1472418, 1554219, 1689822, 2063799, 2208627, 3108438, 4127598, 4417254, 4662657, 6625881, 9325314, 13251762, 13987971, 27975942, 41963913, 83927826, 125891739, 251783478]

約数ペア:

[(1, 251783478), (2, 125891739), (3, 83927826), (6, 41963913), (9, 27975942), (18, 13987971), (19, 13251762), (27, 9325314), (38, 6625881), (54, 4662657), (57, 4417254), (61, 4127598), (81, 3108438), (114, 2208627), (122, 2063799), (149, 1689822), (162, 1554219), (171, 1472418), (183, 1375866), (243, 1036146), (298, 844911), (342, 736209), (366, 687933), (447, 563274), (486, 518073), (513, 490806), (549, 458622), (729, 345382), (894, 281637), (1026, 245403), (1098, 229311), (1159, 217242), (1341, 187758), (1458, 172691), (1539, 163602), (1647, 152874), (2318, 108621), (2682, 93879), (2831, 88938), (3078, 81801), (3294, 76437), (3477, 72414), (4023, 62586), (4617, 54534), (4941, 50958), (5662, 44469), (6954, 36207), (8046, 31293), (8493, 29646), (9089, 27702), (9234, 27267), (9882, 25479), (10431, 24138), (12069, 20862), (13851, 18178), (14823, 16986)]