291299476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{32381}}^1$

素因数の和:32571

約数の個数: 24

約数和(自身を含む): 552177864

約数和(自身を除く): 260878388

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 32381, 64762, 129524, 420953, 841906, 1683812, 5601913, 11203826, 22407652, 72824869, 145649738, 291299476]

約数ペア:

[(1, 291299476), (2, 145649738), (4, 72824869), (13, 22407652), (26, 11203826), (52, 5601913), (173, 1683812), (346, 841906), (692, 420953), (2249, 129524), (4498, 64762), (8996, 32381)]