217458002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 352684800

約数和(自身を除く): 135226798

約数列:

[1, 2, 19, 38, 47, 94, 313, 389, 626, 778, 893, 1786, 5947, 7391, 11894, 14711, 14782, 18283, 29422, 36566, 121757, 243514, 279509, 347377, 559018, 694754, 2313383, 4626766, 5722579, 11445158, 108729001, 217458002]

約数ペア:

[(1, 217458002), (2, 108729001), (19, 11445158), (38, 5722579), (47, 4626766), (94, 2313383), (313, 694754), (389, 559018), (626, 347377), (778, 279509), (893, 243514), (1786, 121757), (5947, 36566), (7391, 29422), (11894, 18283), (14711, 14782)]