81925808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{165173}}^1$

素因数の和:165212

約数の個数: 20

約数和(自身を含む): 163852608

約数和(自身を除く): 81926800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 165173, 330346, 660692, 1321384, 2642768, 5120363, 10240726, 20481452, 40962904, 81925808]

約数ペア:

[(1, 81925808), (2, 40962904), (4, 20481452), (8, 10240726), (16, 5120363), (31, 2642768), (62, 1321384), (124, 660692), (248, 330346), (496, 165173)]