212531711

素因数分解:

$7^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 245704704

約数和(自身を除く): 33172993

約数列:

[1, 7, 173, 223, 787, 1211, 1561, 5509, 38579, 136151, 175501, 270053, 953057, 1228507, 30361673, 212531711]

約数ペア:

[(1, 212531711), (7, 30361673), (173, 1228507), (223, 953057), (787, 270053), (1211, 175501), (1561, 136151), (5509, 38579)]