163138465

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{245321}}^1$

素因数の和:245352

約数の個数: 16

約数和(自身を含む): 235509120

約数和(自身を除く): 72370655

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 245321, 1226605, 1717247, 4661099, 8586235, 23305495, 32627693, 163138465]

約数ペア:

[(1, 163138465), (5, 32627693), (7, 23305495), (19, 8586235), (35, 4661099), (95, 1717247), (133, 1226605), (665, 245321)]