128679786

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{82171}}^1$

素因数の和:82211

約数の個数: 32

約数和(自身を含む): 295819200

約数和(自身を除く): 167139414

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 82171, 164342, 246513, 493026, 739539, 1479078, 2218617, 2382959, 4437234, 4765918, 7148877, 14297754, 21446631, 42893262, 64339893, 128679786]

約数ペア:

[(1, 128679786), (2, 64339893), (3, 42893262), (6, 21446631), (9, 14297754), (18, 7148877), (27, 4765918), (29, 4437234), (54, 2382959), (58, 2218617), (87, 1479078), (174, 739539), (261, 493026), (522, 246513), (783, 164342), (1566, 82171)]