212903171047

素因数分解:

$7^1\times {\mathrm{389}}^1\times {\mathrm{10457}}^1\times {\mathrm{7477}}^1$

素因数の和:18330

約数の個数: 16

約数和(自身を含む): 243999362880

約数和(自身を除く): 31096191833

約数列:

[1, 7, 389, 2723, 7477, 10457, 52339, 73199, 2908553, 4067773, 20359871, 28474411, 78186989, 547308923, 30414738721, 212903171047]

約数ペア:

[(1, 212903171047), (7, 30414738721), (389, 547308923), (2723, 78186989), (7477, 28474411), (10457, 20359871), (52339, 4067773), (73199, 2908553)]