201611905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 281346048

約数和(自身を除く): 79734143

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 517, 1081, 1265, 2585, 3391, 5405, 11891, 16955, 37301, 59455, 77993, 159377, 186505, 389965, 796885, 857923, 1753147, 3665671, 4289615, 8765735, 18328355, 40322381, 201611905]

約数ペア:

[(1, 201611905), (5, 40322381), (11, 18328355), (23, 8765735), (47, 4289615), (55, 3665671), (115, 1753147), (235, 857923), (253, 796885), (517, 389965), (1081, 186505), (1265, 159377), (2585, 77993), (3391, 59455), (5405, 37301), (11891, 16955)]