64678964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121577}}^1$

素因数の和:121607

約数の個数: 24

約数和(自身を含む): 136167360

約数和(自身を除く): 71488396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121577, 243154, 486308, 851039, 1702078, 2309963, 3404156, 4619926, 9239852, 16169741, 32339482, 64678964]

約数ペア:

[(1, 64678964), (2, 32339482), (4, 16169741), (7, 9239852), (14, 4619926), (19, 3404156), (28, 2309963), (38, 1702078), (76, 851039), (133, 486308), (266, 243154), (532, 121577)]