309972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 779296

約数和(自身を除く): 469324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1987, 3974, 5961, 7948, 11922, 23844, 25831, 51662, 77493, 103324, 154986, 309972]

約数ペア:

[(1, 309972), (2, 154986), (3, 103324), (4, 77493), (6, 51662), (12, 25831), (13, 23844), (26, 11922), (39, 7948), (52, 5961), (78, 3974), (156, 1987)]