64390886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3613}}^1$

素因数の和:3708

約数の個数: 32

約数和(自身を含む): 117960960

約数和(自身を除く): 53570074

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 2546, 3613, 7226, 8911, 17822, 25291, 50582, 68647, 137294, 242071, 480529, 484142, 961058, 1694497, 3388994, 4599349, 9198698, 32195443, 64390886]

約数ペア:

[(1, 64390886), (2, 32195443), (7, 9198698), (14, 4599349), (19, 3388994), (38, 1694497), (67, 961058), (133, 484142), (134, 480529), (266, 242071), (469, 137294), (938, 68647), (1273, 50582), (2546, 25291), (3613, 17822), (7226, 8911)]