649152077

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{2909}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 754272000

約数和(自身を除く): 105119923

約数列:

[1, 7, 71, 449, 497, 2909, 3143, 20363, 31879, 206539, 223153, 1306141, 1445773, 9142987, 92736011, 649152077]

約数ペア:

[(1, 649152077), (7, 92736011), (71, 9142987), (449, 1445773), (497, 1306141), (2909, 223153), (3143, 206539), (20363, 31879)]