212104945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{105263}}^1$

素因数の和:105312

約数の個数: 16

約数和(自身を含む): 282949632

約数和(自身を除く): 70844687

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 105263, 526315, 1368419, 3263153, 6842095, 16315765, 42420989, 212104945]

約数ペア:

[(1, 212104945), (5, 42420989), (13, 16315765), (31, 6842095), (65, 3263153), (155, 1368419), (403, 526315), (2015, 105263)]