128872376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22037}}^1$

素因数の和:22103

約数の個数: 32

約数和(自身を含む): 261811440

約数和(自身を除く): 132939064

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 22037, 44074, 88148, 176296, 374629, 749258, 947591, 1498516, 1895182, 2997032, 3790364, 7580728, 16109047, 32218094, 64436188, 128872376]

約数ペア:

[(1, 128872376), (2, 64436188), (4, 32218094), (8, 16109047), (17, 7580728), (34, 3790364), (43, 2997032), (68, 1895182), (86, 1498516), (136, 947591), (172, 749258), (344, 374629), (731, 176296), (1462, 88148), (2924, 44074), (5848, 22037)]