217685312

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{261641}}^1$

素因数の和:261666

約数の個数: 28

約数和(自身を含む): 465199476

約数和(自身を除く): 247514164

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 261641, 523282, 1046564, 2093128, 3401333, 4186256, 6802666, 8372512, 13605332, 16745024, 27210664, 54421328, 108842656, 217685312]

約数ペア:

[(1, 217685312), (2, 108842656), (4, 54421328), (8, 27210664), (13, 16745024), (16, 13605332), (26, 8372512), (32, 6802666), (52, 4186256), (64, 3401333), (104, 2093128), (208, 1046564), (416, 523282), (832, 261641)]