28027909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4597}}^1$

素因数の和:4684

約数の個数: 16

約数和(自身を含む): 35018368

約数和(自身を除く): 6990459

約数列:

[1, 7, 13, 67, 91, 469, 871, 4597, 6097, 32179, 59761, 307999, 418327, 2155993, 4003987, 28027909]

約数ペア:

[(1, 28027909), (7, 4003987), (13, 2155993), (67, 418327), (91, 307999), (469, 59761), (871, 32179), (4597, 6097)]