990387853

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{91457}}^1$

素因数の和:91501

約数の個数: 24

約数和(自身を含む): 1313702712

約数和(自身を除く): 323314859

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 91457, 640199, 1188941, 1554769, 4481393, 8322587, 10883383, 20211997, 58258109, 76183681, 141483979, 990387853]

約数ペア:

[(1, 990387853), (7, 141483979), (13, 76183681), (17, 58258109), (49, 20211997), (91, 10883383), (119, 8322587), (221, 4481393), (637, 1554769), (833, 1188941), (1547, 640199), (10829, 91457)]