209581922

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 349005888

約数和(自身を除く): 139423966

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 601, 1202, 1331, 1441, 2662, 2882, 6611, 13222, 15851, 31702, 72721, 78731, 145442, 157462, 174361, 348722, 799931, 866041, 1599862, 1732082, 9526451, 19052902, 104790961, 209581922]

約数ペア:

[(1, 209581922), (2, 104790961), (11, 19052902), (22, 9526451), (121, 1732082), (131, 1599862), (242, 866041), (262, 799931), (601, 348722), (1202, 174361), (1331, 157462), (1441, 145442), (2662, 78731), (2882, 72721), (6611, 31702), (13222, 15851)]