31221718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61703}}^1$

素因数の和:61739

約数の個数: 16

約数和(自身を含む): 53312256

約数和(自身を除く): 22090538

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 61703, 123406, 678733, 1357466, 1419169, 2838338, 15610859, 31221718]

約数ペア:

[(1, 31221718), (2, 15610859), (11, 2838338), (22, 1419169), (23, 1357466), (46, 678733), (253, 123406), (506, 61703)]