81649205836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{12391}}^1\times {\mathrm{149759}}^1$

素因数の和:162165

約数の個数: 24

約数和(自身を含む): 155889377280

約数和(自身を除く): 74240171444

約数列:

[1, 2, 4, 11, 22, 44, 12391, 24782, 49564, 136301, 149759, 272602, 299518, 545204, 599036, 1647349, 3294698, 6589396, 1855663769, 3711327538, 7422655076, 20412301459, 40824602918, 81649205836]

約数ペア:

[(1, 81649205836), (2, 40824602918), (4, 20412301459), (11, 7422655076), (22, 3711327538), (44, 1855663769), (12391, 6589396), (24782, 3294698), (49564, 1647349), (136301, 599036), (149759, 545204), (272602, 299518)]