209744639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{937}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 230387808

約数和(自身を除く): 20643169

約数列:

[1, 13, 67, 257, 871, 937, 3341, 12181, 17219, 62779, 223847, 240809, 816127, 3130517, 16134203, 209744639]

約数ペア:

[(1, 209744639), (13, 16134203), (67, 3130517), (257, 816127), (871, 240809), (937, 223847), (3341, 62779), (12181, 17219)]