51389737

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 64409600

約数和(自身を除く): 13019863

約数列:

[1, 7, 19, 67, 73, 79, 133, 469, 511, 553, 1273, 1387, 1501, 4891, 5293, 5767, 8911, 9709, 10507, 34237, 37051, 40369, 92929, 100567, 109573, 386389, 650503, 703969, 767011, 2704723, 7341391, 51389737]

約数ペア:

[(1, 51389737), (7, 7341391), (19, 2704723), (67, 767011), (73, 703969), (79, 650503), (133, 386389), (469, 109573), (511, 100567), (553, 92929), (1273, 40369), (1387, 37051), (1501, 34237), (4891, 10507), (5293, 9709), (5767, 8911)]