213057154

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{3203}}^1$

素因数の和:3705

約数の個数: 16

約数和(自身を含む): 324501120

約数和(自身を除く): 111443966

約数列:

[1, 2, 79, 158, 421, 842, 3203, 6406, 33259, 66518, 253037, 506074, 1348463, 2696926, 106528577, 213057154]

約数ペア:

[(1, 213057154), (2, 106528577), (79, 2696926), (158, 1348463), (421, 506074), (842, 253037), (3203, 66518), (6406, 33259)]