128839144

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{6827}}^1$

素因数の和:7177

約数の個数: 32

約数和(自身を含む): 276943680

約数和(自身を除く): 148104536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1348, 2359, 2696, 4718, 6827, 9436, 13654, 18872, 27308, 47789, 54616, 95578, 191156, 382312, 2300699, 4601398, 9202796, 16104893, 18405592, 32209786, 64419572, 128839144]

約数ペア:

[(1, 128839144), (2, 64419572), (4, 32209786), (7, 18405592), (8, 16104893), (14, 9202796), (28, 4601398), (56, 2300699), (337, 382312), (674, 191156), (1348, 95578), (2359, 54616), (2696, 47789), (4718, 27308), (6827, 18872), (9436, 13654)]