205747048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{104123}}^1$

素因数の和:104161

約数の個数: 32

約数和(自身を含む): 437320800

約数和(自身を除く): 231573752

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 104123, 208246, 416492, 832984, 1353599, 1978337, 2707198, 3956674, 5414396, 7913348, 10828792, 15826696, 25718381, 51436762, 102873524, 205747048]

約数ペア:

[(1, 205747048), (2, 102873524), (4, 51436762), (8, 25718381), (13, 15826696), (19, 10828792), (26, 7913348), (38, 5414396), (52, 3956674), (76, 2707198), (104, 1978337), (152, 1353599), (247, 832984), (494, 416492), (988, 208246), (1976, 104123)]