39138686

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 64171008

約数和(自身を除く): 25032322

約数列:

[1, 2, 23, 43, 46, 47, 86, 94, 421, 842, 989, 1081, 1978, 2021, 2162, 4042, 9683, 18103, 19366, 19787, 36206, 39574, 46483, 92966, 416369, 455101, 832738, 850841, 910202, 1701682, 19569343, 39138686]

約数ペア:

[(1, 39138686), (2, 19569343), (23, 1701682), (43, 910202), (46, 850841), (47, 832738), (86, 455101), (94, 416369), (421, 92966), (842, 46483), (989, 39574), (1081, 36206), (1978, 19787), (2021, 19366), (2162, 18103), (4042, 9683)]