31212172

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 55840400

約数和(自身を除く): 24628228

約数列:

[1, 2, 4, 73, 139, 146, 278, 292, 556, 769, 1538, 3076, 10147, 20294, 40588, 56137, 106891, 112274, 213782, 224548, 427564, 7803043, 15606086, 31212172]

約数ペア:

[(1, 31212172), (2, 15606086), (4, 7803043), (73, 427564), (139, 224548), (146, 213782), (278, 112274), (292, 106891), (556, 56137), (769, 40588), (1538, 20294), (3076, 10147)]