1172988215

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{78487}}^1$

素因数の和:78567

約数の個数: 24

約数和(自身を含む): 1664259552

約数和(自身を除く): 491271337

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 14945, 78487, 392435, 549409, 2747045, 3845863, 4787707, 19229315, 23938535, 33513949, 167569745, 234597643, 1172988215]

約数ペア:

[(1, 1172988215), (5, 234597643), (7, 167569745), (35, 33513949), (49, 23938535), (61, 19229315), (245, 4787707), (305, 3845863), (427, 2747045), (2135, 549409), (2989, 392435), (14945, 78487)]