128571004812

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81788171}}^1$

素因数の和:81788309

約数の個数: 24

約数和(自身を含む): 302289083712

約数和(自身を除く): 173718078900

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 81788171, 163576342, 245364513, 327152684, 490729026, 981458052, 10714250401, 21428500802, 32142751203, 42857001604, 64285502406, 128571004812]

約数ペア:

[(1, 128571004812), (2, 64285502406), (3, 42857001604), (4, 32142751203), (6, 21428500802), (12, 10714250401), (131, 981458052), (262, 490729026), (393, 327152684), (524, 245364513), (786, 163576342), (1572, 81788171)]