129919972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{50989}}^1$

素因数の和:51020

約数の個数: 36

約数和(自身を含む): 284830140

約数和(自身を除く): 154910168

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 50989, 101978, 203956, 356923, 662857, 713846, 1325714, 1427692, 2498461, 2651428, 4639999, 4996922, 9279998, 9993844, 18559996, 32479993, 64959986, 129919972]

約数ペア:

[(1, 129919972), (2, 64959986), (4, 32479993), (7, 18559996), (13, 9993844), (14, 9279998), (26, 4996922), (28, 4639999), (49, 2651428), (52, 2498461), (91, 1427692), (98, 1325714), (182, 713846), (196, 662857), (364, 356923), (637, 203956), (1274, 101978), (2548, 50989)]