128804284

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{68659}}^1$

素因数の和:68737

約数の個数: 24

約数和(自身を含む): 261457280

約数和(自身を除く): 132652996

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 68659, 137318, 274636, 480613, 961226, 1922452, 4600153, 9200306, 18400612, 32201071, 64402142, 128804284]

約数ペア:

[(1, 128804284), (2, 64402142), (4, 32201071), (7, 18400612), (14, 9200306), (28, 4600153), (67, 1922452), (134, 961226), (268, 480613), (469, 274636), (938, 137318), (1876, 68659)]