2666768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12842

約数の個数: 20

約数和(自身を含む): 5564748

約数和(自身を除く): 2897980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 12821, 25642, 51284, 102568, 166673, 205136, 333346, 666692, 1333384, 2666768]

約数ペア:

[(1, 2666768), (2, 1333384), (4, 666692), (8, 333346), (13, 205136), (16, 166673), (26, 102568), (52, 51284), (104, 25642), (208, 12821)]