172317985

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 245912832

約数和(自身を除く): 73594847

約数列:

[1, 5, 7, 35, 43, 61, 215, 301, 305, 427, 1505, 1877, 2135, 2623, 9385, 13115, 13139, 18361, 65695, 80711, 91805, 114497, 403555, 564977, 572485, 801479, 2824885, 4007395, 4923371, 24616855, 34463597, 172317985]

約数ペア:

[(1, 172317985), (5, 34463597), (7, 24616855), (35, 4923371), (43, 4007395), (61, 2824885), (215, 801479), (301, 572485), (305, 564977), (427, 403555), (1505, 114497), (1877, 91805), (2135, 80711), (2623, 65695), (9385, 18361), (13115, 13139)]