231556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 449624

約数和(自身を除く): 218068

約数列:

[1, 2, 4, 13, 26, 52, 61, 73, 122, 146, 244, 292, 793, 949, 1586, 1898, 3172, 3796, 4453, 8906, 17812, 57889, 115778, 231556]

約数ペア:

[(1, 231556), (2, 115778), (4, 57889), (13, 17812), (26, 8906), (52, 4453), (61, 3796), (73, 3172), (122, 1898), (146, 1586), (244, 949), (292, 793)]