259541191

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8669}}^1$

素因数の和:8743

約数の個数: 24

約数和(自身を含む): 332095680

約数和(自身を除く): 72554489

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 2303, 4277, 8669, 29939, 60683, 112697, 407443, 424781, 788879, 2852101, 5296759, 5522153, 19964707, 37077313, 259541191]

約数ペア:

[(1, 259541191), (7, 37077313), (13, 19964707), (47, 5522153), (49, 5296759), (91, 2852101), (329, 788879), (611, 424781), (637, 407443), (2303, 112697), (4277, 60683), (8669, 29939)]