638961082

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{12421}}^1$

素因数の和:12546

約数の個数: 24

約数和(自身を含む): 1029659580

約数和(自身を除く): 390698498

約数列:

[1, 2, 17, 34, 89, 178, 289, 578, 1513, 3026, 12421, 24842, 25721, 51442, 211157, 422314, 1105469, 2210938, 3589669, 7179338, 18792973, 37585946, 319480541, 638961082]

約数ペア:

[(1, 638961082), (2, 319480541), (17, 37585946), (34, 18792973), (89, 7179338), (178, 3589669), (289, 2210938), (578, 1105469), (1513, 422314), (3026, 211157), (12421, 51442), (24842, 25721)]