211799510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{37889}}^1$

素因数の和:37952

約数の個数: 32

約数和(自身を含む): 420124320

約数和(自身を除く): 208324810

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 37889, 75778, 189445, 378890, 492557, 985114, 1629227, 2462785, 3258454, 4925570, 8146135, 16292270, 21179951, 42359902, 105899755, 211799510]

約数ペア:

[(1, 211799510), (2, 105899755), (5, 42359902), (10, 21179951), (13, 16292270), (26, 8146135), (43, 4925570), (65, 3258454), (86, 2462785), (130, 1629227), (215, 985114), (430, 492557), (559, 378890), (1118, 189445), (2795, 75778), (5590, 37889)]