161438735

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{5479}}^1$

素因数の和:5638

約数の個数: 16

約数和(自身を含む): 198858240

約数和(自身を除く): 37419505

約数列:

[1, 5, 71, 83, 355, 415, 5479, 5893, 27395, 29465, 389009, 454757, 1945045, 2273785, 32287747, 161438735]

約数ペア:

[(1, 161438735), (5, 32287747), (71, 2273785), (83, 1945045), (355, 454757), (415, 389009), (5479, 29465), (5893, 27395)]