1278778884

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{1590521}}^1$

素因数の和:1590595

約数の個数: 24

約数和(自身を含む): 3028353888

約数和(自身を除く): 1749575004

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 1590521, 3181042, 4771563, 6362084, 9543126, 19086252, 106564907, 213129814, 319694721, 426259628, 639389442, 1278778884]

約数ペア:

[(1, 1278778884), (2, 639389442), (3, 426259628), (4, 319694721), (6, 213129814), (12, 106564907), (67, 19086252), (134, 9543126), (201, 6362084), (268, 4771563), (402, 3181042), (804, 1590521)]