31387434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402403}}^1$

素因数の和:402421

約数の個数: 16

約数和(自身を含む): 67603872

約数和(自身を除く): 36216438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 402403, 804806, 1207209, 2414418, 5231239, 10462478, 15693717, 31387434]

約数ペア:

[(1, 31387434), (2, 15693717), (3, 10462478), (6, 5231239), (13, 2414418), (26, 1207209), (39, 804806), (78, 402403)]