81404206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 134507520

約数和(自身を除く): 53103314

約数列:

[1, 2, 13, 26, 89, 127, 178, 254, 277, 554, 1157, 1651, 2314, 3302, 3601, 7202, 11303, 22606, 24653, 35179, 49306, 70358, 146939, 293878, 320489, 457327, 640978, 914654, 3130931, 6261862, 40702103, 81404206]

約数ペア:

[(1, 81404206), (2, 40702103), (13, 6261862), (26, 3130931), (89, 914654), (127, 640978), (178, 457327), (254, 320489), (277, 293878), (554, 146939), (1157, 70358), (1651, 49306), (2314, 35179), (3302, 24653), (3601, 22606), (7202, 11303)]