221567105110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3954437}}^1$

素因数の和:3954888

約数の個数: 32

約数和(自身を含む): 430495938432

約数和(自身を除く): 208928833322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 4310, 5603, 11206, 28015, 56030, 3954437, 7908874, 19772185, 39544370, 51407681, 102815362, 257038405, 514076810, 1704362347, 3408724694, 8521811735, 17043623470, 22156710511, 44313421022, 110783552555, 221567105110]

約数ペア:

[(1, 221567105110), (2, 110783552555), (5, 44313421022), (10, 22156710511), (13, 17043623470), (26, 8521811735), (65, 3408724694), (130, 1704362347), (431, 514076810), (862, 257038405), (2155, 102815362), (4310, 51407681), (5603, 39544370), (11206, 19772185), (28015, 7908874), (56030, 3954437)]