289389710

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{112603}}^1$

素因数の和:112867

約数の個数: 16

約数和(自身を含む): 522932976

約数和(自身を除く): 233543266

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 112603, 225206, 563015, 1126030, 28938971, 57877942, 144694855, 289389710]

約数ペア:

[(1, 289389710), (2, 144694855), (5, 57877942), (10, 28938971), (257, 1126030), (514, 563015), (1285, 225206), (2570, 112603)]