281120156

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{3727}}^1$

素因数の和:4013

約数の個数: 24

約数和(自身を含む): 499477440

約数和(自身を除く): 218357284

約数列:

[1, 2, 4, 109, 173, 218, 346, 436, 692, 3727, 7454, 14908, 18857, 37714, 75428, 406243, 644771, 812486, 1289542, 1624972, 2579084, 70280039, 140560078, 281120156]

約数ペア:

[(1, 281120156), (2, 140560078), (4, 70280039), (109, 2579084), (173, 1624972), (218, 1289542), (346, 812486), (436, 644771), (692, 406243), (3727, 75428), (7454, 37714), (14908, 18857)]