155986448

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{123407}}^1$

素因数の和:123494

約数の個数: 20

約数和(自身を含む): 306051840

約数和(自身を除く): 150065392

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 123407, 246814, 493628, 987256, 1974512, 9749153, 19498306, 38996612, 77993224, 155986448]

約数ペア:

[(1, 155986448), (2, 77993224), (4, 38996612), (8, 19498306), (16, 9749153), (79, 1974512), (158, 987256), (316, 493628), (632, 246814), (1264, 123407)]