261429384

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{153421}}^1$

素因数の和:153501

約数の個数: 32

約数和(自身を含む): 662783040

約数和(自身を除く): 401353656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 153421, 306842, 460263, 613684, 920526, 1227368, 1841052, 3682104, 10892891, 21785782, 32678673, 43571564, 65357346, 87143128, 130714692, 261429384]

約数ペア:

[(1, 261429384), (2, 130714692), (3, 87143128), (4, 65357346), (6, 43571564), (8, 32678673), (12, 21785782), (24, 10892891), (71, 3682104), (142, 1841052), (213, 1227368), (284, 920526), (426, 613684), (568, 460263), (852, 306842), (1704, 153421)]