201670885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 267805440

約数和(自身を除く): 66134555

約数列:

[1, 5, 13, 65, 71, 89, 355, 445, 491, 923, 1157, 2455, 4615, 5785, 6319, 6383, 31595, 31915, 34861, 43699, 82147, 174305, 218495, 410735, 453193, 568087, 2265965, 2840435, 3102629, 15513145, 40334177, 201670885]

約数ペア:

[(1, 201670885), (5, 40334177), (13, 15513145), (65, 3102629), (71, 2840435), (89, 2265965), (355, 568087), (445, 453193), (491, 410735), (923, 218495), (1157, 174305), (2455, 82147), (4615, 43699), (5785, 34861), (6319, 31915), (6383, 31595)]