189439295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 240607872

約数和(自身を除く): 51168577

約数列:

[1, 5, 31, 43, 155, 215, 661, 1333, 1849, 3305, 6665, 9245, 20491, 28423, 57319, 102455, 142115, 286595, 881113, 1222189, 4405565, 6110945, 37887859, 189439295]

約数ペア:

[(1, 189439295), (5, 37887859), (31, 6110945), (43, 4405565), (155, 1222189), (215, 881113), (661, 286595), (1333, 142115), (1849, 102455), (3305, 57319), (6665, 28423), (9245, 20491)]