279247736

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 529818240

約数和(自身を除く): 250570504

約数列:

[1, 2, 4, 8, 157, 223, 314, 446, 628, 892, 997, 1256, 1784, 1994, 3988, 7976, 35011, 70022, 140044, 156529, 222331, 280088, 313058, 444662, 626116, 889324, 1252232, 1778648, 34905967, 69811934, 139623868, 279247736]

約数ペア:

[(1, 279247736), (2, 139623868), (4, 69811934), (8, 34905967), (157, 1778648), (223, 1252232), (314, 889324), (446, 626116), (628, 444662), (892, 313058), (997, 280088), (1256, 222331), (1784, 156529), (1994, 140044), (3988, 70022), (7976, 35011)]