39866855

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 56567808

約数和(自身を除く): 16700953

約数列:

[1, 5, 7, 35, 61, 71, 263, 305, 355, 427, 497, 1315, 1841, 2135, 2485, 4331, 9205, 16043, 18673, 21655, 30317, 80215, 93365, 112301, 130711, 151585, 561505, 653555, 1139053, 5695265, 7973371, 39866855]

約数ペア:

[(1, 39866855), (5, 7973371), (7, 5695265), (35, 1139053), (61, 653555), (71, 561505), (263, 151585), (305, 130711), (355, 112301), (427, 93365), (497, 80215), (1315, 30317), (1841, 21655), (2135, 18673), (2485, 16043), (4331, 9205)]