216490768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1040821}}^1$

素因数の和:1040842

約数の個数: 20

約数和(自身を含む): 451716748

約数和(自身を除く): 235225980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1040821, 2081642, 4163284, 8326568, 13530673, 16653136, 27061346, 54122692, 108245384, 216490768]

約数ペア:

[(1, 216490768), (2, 108245384), (4, 54122692), (8, 27061346), (13, 16653136), (16, 13530673), (26, 8326568), (52, 4163284), (104, 2081642), (208, 1040821)]