28105038

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{9239}}^1$

素因数の和:9273

約数の個数: 36

約数和(自身を含む): 65945880

約数和(自身を除く): 37840842

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 9239, 18478, 27717, 55434, 83151, 120107, 166302, 240214, 360321, 720642, 1080963, 1561391, 2161926, 3122782, 4684173, 9368346, 14052519, 28105038]

約数ペア:

[(1, 28105038), (2, 14052519), (3, 9368346), (6, 4684173), (9, 3122782), (13, 2161926), (18, 1561391), (26, 1080963), (39, 720642), (78, 360321), (117, 240214), (169, 166302), (234, 120107), (338, 83151), (507, 55434), (1014, 27717), (1521, 18478), (3042, 9239)]