319978945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1063}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 452600064

約数和(自身を除く): 132621119

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 715, 1063, 2105, 4631, 5315, 5473, 11693, 13819, 23155, 27365, 58465, 60203, 69095, 152009, 301015, 447523, 760045, 2237615, 4922753, 5817799, 24613765, 29088995, 63995789, 319978945]

約数ペア:

[(1, 319978945), (5, 63995789), (11, 29088995), (13, 24613765), (55, 5817799), (65, 4922753), (143, 2237615), (421, 760045), (715, 447523), (1063, 301015), (2105, 152009), (4631, 69095), (5315, 60203), (5473, 58465), (11693, 27365), (13819, 23155)]