289936088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163991}}^1$

素因数の和:164027

約数の個数: 32

約数和(自身を含む): 619889760

約数和(自身を除く): 329953672

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 163991, 327982, 655964, 1311928, 2131883, 2787847, 4263766, 5575694, 8527532, 11151388, 17055064, 22302776, 36242011, 72484022, 144968044, 289936088]

約数ペア:

[(1, 289936088), (2, 144968044), (4, 72484022), (8, 36242011), (13, 22302776), (17, 17055064), (26, 11151388), (34, 8527532), (52, 5575694), (68, 4263766), (104, 2787847), (136, 2131883), (221, 1311928), (442, 655964), (884, 327982), (1768, 163991)]