78894004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3617}}^1$

素因数の和:3688

約数の個数: 48

約数和(自身を含む): 170190720

約数和(自身を除く): 91296716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 3617, 5453, 7234, 10906, 14468, 21812, 25319, 50638, 68723, 101276, 137446, 148297, 274892, 296594, 481061, 593188, 962122, 1038079, 1924244, 2076158, 2817643, 4152316, 5635286, 11270572, 19723501, 39447002, 78894004]

約数ペア:

[(1, 78894004), (2, 39447002), (4, 19723501), (7, 11270572), (14, 5635286), (19, 4152316), (28, 2817643), (38, 2076158), (41, 1924244), (76, 1038079), (82, 962122), (133, 593188), (164, 481061), (266, 296594), (287, 274892), (532, 148297), (574, 137446), (779, 101276), (1148, 68723), (1558, 50638), (3116, 25319), (3617, 21812), (5453, 14468), (7234, 10906)]