156985471408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{516399577}}^1$

素因数の和:516399604

約数の個数: 20

約数和(自身を含む): 320167738360

約数和(自身を除く): 163182266952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 516399577, 1032799154, 2065598308, 4131196616, 8262393232, 9811591963, 19623183926, 39246367852, 78492735704, 156985471408]

約数ペア:

[(1, 156985471408), (2, 78492735704), (4, 39246367852), (8, 19623183926), (16, 9811591963), (19, 8262393232), (38, 4131196616), (76, 2065598308), (152, 1032799154), (304, 516399577)]