13021175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 17260800

約数和(自身を除く): 4239625

約数列:

[1, 5, 19, 25, 79, 95, 347, 395, 475, 1501, 1735, 1975, 6593, 7505, 8675, 27413, 32965, 37525, 137065, 164825, 520847, 685325, 2604235, 13021175]

約数ペア:

[(1, 13021175), (5, 2604235), (19, 685325), (25, 520847), (79, 164825), (95, 137065), (347, 37525), (395, 32965), (475, 27413), (1501, 8675), (1735, 7505), (1975, 6593)]