17985280677

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{2441}}^1$

素因数の和:2798

約数の個数: 64

約数和(自身を含む): 29892893184

約数和(自身を除く): 11907612507

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 197, 273, 411, 591, 959, 1379, 1781, 2441, 2561, 2877, 4137, 5343, 7323, 7683, 12467, 17087, 17927, 26989, 31733, 37401, 51261, 53781, 80967, 95199, 188923, 222131, 334417, 350857, 480877, 566769, 666393, 1003251, 1052571, 1442631, 2340919, 2455999, 3366139, 4347421, 6251401, 7022757, 7367997, 10098417, 13042263, 18754203, 30431947, 43759807, 65880149, 91295841, 131279421, 197640447, 461161043, 856441937, 1383483129, 2569325811, 5995093559, 17985280677]

約数ペア:

[(1, 17985280677), (3, 5995093559), (7, 2569325811), (13, 1383483129), (21, 856441937), (39, 461161043), (91, 197640447), (137, 131279421), (197, 91295841), (273, 65880149), (411, 43759807), (591, 30431947), (959, 18754203), (1379, 13042263), (1781, 10098417), (2441, 7367997), (2561, 7022757), (2877, 6251401), (4137, 4347421), (5343, 3366139), (7323, 2455999), (7683, 2340919), (12467, 1442631), (17087, 1052571), (17927, 1003251), (26989, 666393), (31733, 566769), (37401, 480877), (51261, 350857), (53781, 334417), (80967, 222131), (95199, 188923)]