645974063

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{63337}}^1$

素因数の和:63422

約数の個数: 16

約数和(自身を含む): 778297344

約数和(自身を除く): 132323281

約数列:

[1, 7, 31, 47, 217, 329, 1457, 10199, 63337, 443359, 1963447, 2976839, 13744129, 20837873, 92282009, 645974063]

約数ペア:

[(1, 645974063), (7, 92282009), (31, 20837873), (47, 13744129), (217, 2976839), (329, 1963447), (1457, 443359), (10199, 63337)]