49097139

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 37994061

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 71, 91, 119, 149, 213, 221, 273, 357, 447, 497, 663, 923, 1043, 1207, 1491, 1547, 1937, 2533, 2769, 3129, 3621, 4641, 5811, 6461, 7599, 8449, 10579, 13559, 15691, 17731, 19383, 25347, 31737, 32929, 40677, 47073, 53193, 74053, 98787, 109837, 137527, 179843, 222159, 230503, 329511, 412581, 539529, 691509, 962689, 1258901, 2337959, 2888067, 3776703, 7013877, 16365713, 49097139]

約数ペア:

[(1, 49097139), (3, 16365713), (7, 7013877), (13, 3776703), (17, 2888067), (21, 2337959), (39, 1258901), (51, 962689), (71, 691509), (91, 539529), (119, 412581), (149, 329511), (213, 230503), (221, 222159), (273, 179843), (357, 137527), (447, 109837), (497, 98787), (663, 74053), (923, 53193), (1043, 47073), (1207, 40677), (1491, 32929), (1547, 31737), (1937, 25347), (2533, 19383), (2769, 17731), (3129, 15691), (3621, 13559), (4641, 10579), (5811, 8449), (6461, 7599)]