215117924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{404357}}^1$

素因数の和:404387

約数の個数: 24

約数和(自身を含む): 452880960

約数和(自身を除く): 237763036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 404357, 808714, 1617428, 2830499, 5660998, 7682783, 11321996, 15365566, 30731132, 53779481, 107558962, 215117924]

約数ペア:

[(1, 215117924), (2, 107558962), (4, 53779481), (7, 30731132), (14, 15365566), (19, 11321996), (28, 7682783), (38, 5660998), (76, 2830499), (133, 1617428), (266, 808714), (532, 404357)]