28141724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 53258688

約数和(自身を除く): 25116964

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1997, 3523, 3994, 7046, 7988, 14092, 25961, 51922, 103844, 541187, 1082374, 2164748, 7035431, 14070862, 28141724]

約数ペア:

[(1, 28141724), (2, 14070862), (4, 7035431), (13, 2164748), (26, 1082374), (52, 541187), (271, 103844), (542, 51922), (1084, 25961), (1997, 14092), (3523, 7988), (3994, 7046)]