219949778

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{4049}}^1$

素因数の和:4381

約数の個数: 16

約数和(自身を含む): 334027800

約数和(自身を除く): 114078022

約数列:

[1, 2, 157, 173, 314, 346, 4049, 8098, 27161, 54322, 635693, 700477, 1271386, 1400954, 109974889, 219949778]

約数ペア:

[(1, 219949778), (2, 109974889), (157, 1400954), (173, 1271386), (314, 700477), (346, 635693), (4049, 54322), (8098, 27161)]