8640944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41543}}^1$

素因数の和:41564

約数の個数: 20

約数和(自身を含む): 18030096

約数和(自身を除く): 9389152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 41543, 83086, 166172, 332344, 540059, 664688, 1080118, 2160236, 4320472, 8640944]

約数ペア:

[(1, 8640944), (2, 4320472), (4, 2160236), (8, 1080118), (13, 664688), (16, 540059), (26, 332344), (52, 166172), (104, 83086), (208, 41543)]