389464985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7193}}^1$

素因数の和:7242

約数の個数: 48

約数和(自身を含む): 620007696

約数和(自身を除く): 230542711

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 455, 595, 637, 833, 1105, 1547, 3185, 4165, 7193, 7735, 10829, 35965, 50351, 54145, 93509, 122281, 251755, 352457, 467545, 611405, 654563, 855967, 1589653, 1762285, 3272815, 4279835, 4581941, 5991769, 7948265, 11127571, 22909705, 29958845, 55637855, 77892997, 389464985]

約数ペア:

[(1, 389464985), (5, 77892997), (7, 55637855), (13, 29958845), (17, 22909705), (35, 11127571), (49, 7948265), (65, 5991769), (85, 4581941), (91, 4279835), (119, 3272815), (221, 1762285), (245, 1589653), (455, 855967), (595, 654563), (637, 611405), (833, 467545), (1105, 352457), (1547, 251755), (3185, 122281), (4165, 93509), (7193, 54145), (7735, 50351), (10829, 35965)]