681644876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{118259}}^1$

素因数の和:118405

約数の個数: 24

約数和(自身を含む): 1311266880

約数和(自身を除く): 629622004

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 118259, 236518, 473036, 1300849, 2601698, 5203396, 15491929, 30983858, 61967716, 170411219, 340822438, 681644876]

約数ペア:

[(1, 681644876), (2, 340822438), (4, 170411219), (11, 61967716), (22, 30983858), (44, 15491929), (131, 5203396), (262, 2601698), (524, 1300849), (1441, 473036), (2882, 236518), (5764, 118259)]