28131426

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 62799360

約数和(自身を除く): 34667934

約数列:

[1, 2, 3, 6, 9, 18, 73, 79, 146, 158, 219, 237, 271, 438, 474, 542, 657, 711, 813, 1314, 1422, 1626, 2439, 4878, 5767, 11534, 17301, 19783, 21409, 34602, 39566, 42818, 51903, 59349, 64227, 103806, 118698, 128454, 178047, 192681, 356094, 385362, 1562857, 3125714, 4688571, 9377142, 14065713, 28131426]

約数ペア:

[(1, 28131426), (2, 14065713), (3, 9377142), (6, 4688571), (9, 3125714), (18, 1562857), (73, 385362), (79, 356094), (146, 192681), (158, 178047), (219, 128454), (237, 118698), (271, 103806), (438, 64227), (474, 59349), (542, 51903), (657, 42818), (711, 39566), (813, 34602), (1314, 21409), (1422, 19783), (1626, 17301), (2439, 11534), (4878, 5767)]