641933798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{20249}}^1$

素因数の和:20404

約数の個数: 24

約数和(自身を含む): 1066527000

約数和(自身を除く): 424593202

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 1441, 2882, 15851, 20249, 31702, 40498, 222739, 445478, 2450129, 2652619, 4900258, 5305238, 29178809, 58357618, 320966899, 641933798]

約数ペア:

[(1, 641933798), (2, 320966899), (11, 58357618), (22, 29178809), (121, 5305238), (131, 4900258), (242, 2652619), (262, 2450129), (1441, 445478), (2882, 222739), (15851, 40498), (20249, 31702)]