1220689393

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{587}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 1544417280

約数和(自身を除く): 323727887

約数列:

[1, 7, 11, 77, 113, 239, 587, 791, 1243, 1673, 2629, 4109, 6457, 8701, 18403, 27007, 45199, 66331, 140293, 189049, 297077, 464317, 729641, 982051, 1543223, 2079539, 5107487, 10802561, 15853109, 110971763, 174384199, 1220689393]

約数ペア:

[(1, 1220689393), (7, 174384199), (11, 110971763), (77, 15853109), (113, 10802561), (239, 5107487), (587, 2079539), (791, 1543223), (1243, 982051), (1673, 729641), (2629, 464317), (4109, 297077), (6457, 189049), (8701, 140293), (18403, 66331), (27007, 45199)]