1297557688

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{169129}}^1$

素因数の和:169279

約数の個数: 32

約数和(自身を含む): 2800792800

約数和(自身を除く): 1503235112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 169129, 338258, 676516, 1183903, 1353032, 2367806, 4735612, 9471224, 23170673, 46341346, 92682692, 162194711, 185365384, 324389422, 648778844, 1297557688]

約数ペア:

[(1, 1297557688), (2, 648778844), (4, 324389422), (7, 185365384), (8, 162194711), (14, 92682692), (28, 46341346), (56, 23170673), (137, 9471224), (274, 4735612), (548, 2367806), (959, 1353032), (1096, 1183903), (1918, 676516), (3836, 338258), (7672, 169129)]