128520436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{14827}}^1$

素因数の和:15039

約数の個数: 24

約数和(自身を含む): 246619296

約数和(自身を除く): 118098860

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 14827, 29654, 59308, 163097, 326194, 652388, 2920919, 5841838, 11683676, 32130109, 64260218, 128520436]

約数ペア:

[(1, 128520436), (2, 64260218), (4, 32130109), (11, 11683676), (22, 5841838), (44, 2920919), (197, 652388), (394, 326194), (788, 163097), (2167, 59308), (4334, 29654), (8668, 14827)]