138760909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 171417600

約数和(自身を除く): 32656691

約数列:

[1, 7, 23, 61, 71, 161, 199, 427, 497, 1393, 1403, 1633, 4331, 4577, 9821, 11431, 12139, 14129, 30317, 32039, 84973, 98903, 99613, 279197, 324967, 697291, 861869, 1954379, 2274769, 6033083, 19822987, 138760909]

約数ペア:

[(1, 138760909), (7, 19822987), (23, 6033083), (61, 2274769), (71, 1954379), (161, 861869), (199, 697291), (427, 324967), (497, 279197), (1393, 99613), (1403, 98903), (1633, 84973), (4331, 32039), (4577, 30317), (9821, 14129), (11431, 12139)]