221768768

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{266549}}^1$

素因数の和:266574

約数の個数: 28

約数和(自身を含む): 473925900

約数和(自身を除く): 252157132

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 266549, 533098, 1066196, 2132392, 3465137, 4264784, 6930274, 8529568, 13860548, 17059136, 27721096, 55442192, 110884384, 221768768]

約数ペア:

[(1, 221768768), (2, 110884384), (4, 55442192), (8, 27721096), (13, 17059136), (16, 13860548), (26, 8529568), (32, 6930274), (52, 4264784), (64, 3465137), (104, 2132392), (208, 1066196), (416, 533098), (832, 266549)]