258939527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{4273}}^1$

素因数の和:5078

約数の個数: 16

約数和(自身を含む): 323319552

約数和(自身を除く): 64380025

約数列:

[1, 7, 11, 77, 787, 4273, 5509, 8657, 29911, 47003, 60599, 329021, 3362851, 23539957, 36991361, 258939527]

約数ペア:

[(1, 258939527), (7, 36991361), (11, 23539957), (77, 3362851), (787, 329021), (4273, 60599), (5509, 47003), (8657, 29911)]