778860147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{193891}}^1$

素因数の和:194010

約数の個数: 16

約数和(自身を含む): 1129227008

約数和(自身を除く): 350366861

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 193891, 581673, 2520583, 7561749, 19970773, 59912319, 259620049, 778860147]

約数ペア:

[(1, 778860147), (3, 259620049), (13, 59912319), (39, 19970773), (103, 7561749), (309, 2520583), (1339, 581673), (4017, 193891)]