2217389525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{49801}}^1$

素因数の和:49961

約数の個数: 24

約数和(自身を含む): 2982741384

約数和(自身を除く): 765351859

約数列:

[1, 5, 13, 25, 65, 137, 325, 685, 1781, 3425, 8905, 44525, 49801, 249005, 647413, 1245025, 3237065, 6822737, 16185325, 34113685, 88695581, 170568425, 443477905, 2217389525]

約数ペア:

[(1, 2217389525), (5, 443477905), (13, 170568425), (25, 88695581), (65, 34113685), (137, 16185325), (325, 6822737), (685, 3237065), (1781, 1245025), (3425, 647413), (8905, 249005), (44525, 49801)]