172916821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 224686080

約数和(自身を除く): 51769259

約数列:

[1, 7, 11, 29, 77, 203, 211, 319, 367, 1477, 2233, 2321, 2569, 4037, 6119, 10643, 16247, 28259, 42833, 67309, 74501, 77437, 117073, 471163, 542059, 819511, 851807, 2245673, 5962649, 15719711, 24702403, 172916821]

約数ペア:

[(1, 172916821), (7, 24702403), (11, 15719711), (29, 5962649), (77, 2245673), (203, 851807), (211, 819511), (319, 542059), (367, 471163), (1477, 117073), (2233, 77437), (2321, 74501), (2569, 67309), (4037, 42833), (6119, 28259), (10643, 16247)]