138468542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 224532000

約数和(自身を除く): 86063458

約数列:

[1, 2, 19, 38, 53, 106, 197, 349, 394, 698, 1007, 2014, 3743, 6631, 7486, 10441, 13262, 18497, 20882, 36994, 68753, 137506, 198379, 351443, 396758, 702886, 1306307, 2612614, 3643909, 7287818, 69234271, 138468542]

約数ペア:

[(1, 138468542), (2, 69234271), (19, 7287818), (38, 3643909), (53, 2612614), (106, 1306307), (197, 702886), (349, 396758), (394, 351443), (698, 198379), (1007, 137506), (2014, 68753), (3743, 36994), (6631, 20882), (7486, 18497), (10441, 13262)]