64236991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3253}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 83094144

約数和(自身を除く): 18857153

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2821, 3253, 19747, 22771, 42289, 100843, 159397, 296023, 705901, 1310959, 2072161, 4941307, 9176713, 64236991]

約数ペア:

[(1, 64236991), (7, 9176713), (13, 4941307), (31, 2072161), (49, 1310959), (91, 705901), (217, 296023), (403, 159397), (637, 100843), (1519, 42289), (2821, 22771), (3253, 19747)]