31691556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{5209}}^1$

素因数の和:5245

約数の個数: 54

約数和(自身を含む): 86762130

約数和(自身を除く): 55070574

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 5209, 6084, 10418, 15627, 20836, 31254, 46881, 62508, 67717, 93762, 135434, 187524, 203151, 270868, 406302, 609453, 812604, 880321, 1218906, 1760642, 2437812, 2640963, 3521284, 5281926, 7922889, 10563852, 15845778, 31691556]

約数ペア:

[(1, 31691556), (2, 15845778), (3, 10563852), (4, 7922889), (6, 5281926), (9, 3521284), (12, 2640963), (13, 2437812), (18, 1760642), (26, 1218906), (36, 880321), (39, 812604), (52, 609453), (78, 406302), (117, 270868), (156, 203151), (169, 187524), (234, 135434), (338, 93762), (468, 67717), (507, 62508), (676, 46881), (1014, 31254), (1521, 20836), (2028, 15627), (3042, 10418), (5209, 6084)]