1291218246

素因数分解:

$2^1\times 3^4\times {\mathrm{431}}^1\times {\mathrm{18493}}^1$

素因数の和:18938

約数の個数: 40

約数和(自身を含む): 2900155104

約数和(自身を除く): 1608936858

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 431, 862, 1293, 2586, 3879, 7758, 11637, 18493, 23274, 34911, 36986, 55479, 69822, 110958, 166437, 332874, 499311, 998622, 1497933, 2995866, 7970483, 15940966, 23911449, 47822898, 71734347, 143468694, 215203041, 430406082, 645609123, 1291218246]

約数ペア:

[(1, 1291218246), (2, 645609123), (3, 430406082), (6, 215203041), (9, 143468694), (18, 71734347), (27, 47822898), (54, 23911449), (81, 15940966), (162, 7970483), (431, 2995866), (862, 1497933), (1293, 998622), (2586, 499311), (3879, 332874), (7758, 166437), (11637, 110958), (18493, 69822), (23274, 55479), (34911, 36986)]