261765192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{838991}}^1$

素因数の和:839013

約数の個数: 32

約数和(自身を含む): 704753280

約数和(自身を除く): 442988088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 838991, 1677982, 2516973, 3355964, 5033946, 6711928, 10067892, 10906883, 20135784, 21813766, 32720649, 43627532, 65441298, 87255064, 130882596, 261765192]

約数ペア:

[(1, 261765192), (2, 130882596), (3, 87255064), (4, 65441298), (6, 43627532), (8, 32720649), (12, 21813766), (13, 20135784), (24, 10906883), (26, 10067892), (39, 6711928), (52, 5033946), (78, 3355964), (104, 2516973), (156, 1677982), (312, 838991)]