28746886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 52680960

約数和(自身を除く): 23934074

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 1613, 2546, 3226, 8911, 11291, 17822, 22582, 30647, 61294, 108071, 214529, 216142, 429058, 756497, 1512994, 2053349, 4106698, 14373443, 28746886]

約数ペア:

[(1, 28746886), (2, 14373443), (7, 4106698), (14, 2053349), (19, 1512994), (38, 756497), (67, 429058), (133, 216142), (134, 214529), (266, 108071), (469, 61294), (938, 30647), (1273, 22582), (1613, 17822), (2546, 11291), (3226, 8911)]