39947778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5559

約数の個数: 48

約数和(自身を含む): 96235776

約数和(自身を除く): 56287998

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 5507, 7254, 11014, 16521, 33042, 49563, 71591, 99126, 143182, 170717, 214773, 341434, 429546, 512151, 644319, 1024302, 1288638, 1536453, 2219321, 3072906, 4438642, 6657963, 13315926, 19973889, 39947778]

約数ペア:

[(1, 39947778), (2, 19973889), (3, 13315926), (6, 6657963), (9, 4438642), (13, 3072906), (18, 2219321), (26, 1536453), (31, 1288638), (39, 1024302), (62, 644319), (78, 512151), (93, 429546), (117, 341434), (186, 214773), (234, 170717), (279, 143182), (403, 99126), (558, 71591), (806, 49563), (1209, 33042), (2418, 16521), (3627, 11014), (5507, 7254)]