398989370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{13763}}^1$

素因数の和:14006

約数の個数: 32

約数和(自身を含む): 776950272

約数和(自身を除く): 377960902

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 1115, 2230, 2899, 5798, 13763, 14495, 27526, 28990, 68815, 137630, 178919, 357838, 894595, 1789190, 3069149, 6138298, 15345745, 30691490, 39898937, 79797874, 199494685, 398989370]

約数ペア:

[(1, 398989370), (2, 199494685), (5, 79797874), (10, 39898937), (13, 30691490), (26, 15345745), (65, 6138298), (130, 3069149), (223, 1789190), (446, 894595), (1115, 357838), (2230, 178919), (2899, 137630), (5798, 68815), (13763, 28990), (14495, 27526)]