172655984

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{10889}}^1$

素因数の和:11888

約数の個数: 20

約数和(自身を含む): 334889280

約数和(自身を除く): 162233296

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 10889, 15856, 21778, 43556, 87112, 174224, 10790999, 21581998, 43163996, 86327992, 172655984]

約数ペア:

[(1, 172655984), (2, 86327992), (4, 43163996), (8, 21581998), (16, 10790999), (991, 174224), (1982, 87112), (3964, 43556), (7928, 21778), (10889, 15856)]