216804364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{407527}}^1$

素因数の和:407557

約数の個数: 24

約数和(自身を含む): 456431360

約数和(自身を除く): 239626996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 407527, 815054, 1630108, 2852689, 5705378, 7743013, 11410756, 15486026, 30972052, 54201091, 108402182, 216804364]

約数ペア:

[(1, 216804364), (2, 108402182), (4, 54201091), (7, 30972052), (14, 15486026), (19, 11410756), (28, 7743013), (38, 5705378), (76, 2852689), (133, 1630108), (266, 815054), (532, 407527)]