28053215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 10031905

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 347, 437, 703, 851, 1735, 2185, 3515, 4255, 6593, 7981, 12839, 16169, 32965, 39905, 64195, 80845, 151639, 243941, 295297, 758195, 1219705, 1476485, 5610643, 28053215]

約数ペア:

[(1, 28053215), (5, 5610643), (19, 1476485), (23, 1219705), (37, 758195), (95, 295297), (115, 243941), (185, 151639), (347, 80845), (437, 64195), (703, 39905), (851, 32965), (1735, 16169), (2185, 12839), (3515, 7981), (4255, 6593)]