28013778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{9209}}^1$

素因数の和:9243

約数の個数: 36

約数和(自身を含む): 65731770

約数和(自身を除く): 37717992

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 9209, 18418, 27627, 55254, 82881, 119717, 165762, 239434, 359151, 718302, 1077453, 1556321, 2154906, 3112642, 4668963, 9337926, 14006889, 28013778]

約数ペア:

[(1, 28013778), (2, 14006889), (3, 9337926), (6, 4668963), (9, 3112642), (13, 2154906), (18, 1556321), (26, 1077453), (39, 718302), (78, 359151), (117, 239434), (169, 165762), (234, 119717), (338, 82881), (507, 55254), (1014, 27627), (1521, 18418), (3042, 9209)]