1561668766

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{49999}}^1$

素因数の和:50128

約数の個数: 32

約数和(自身を含む): 2822400000

約数和(自身を除く): 1260731234

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 4462, 15617, 31234, 49999, 99998, 349993, 699986, 1149977, 2299954, 4849903, 8049839, 9699806, 16099678, 33949321, 67898642, 111547769, 223095538, 780834383, 1561668766]

約数ペア:

[(1, 1561668766), (2, 780834383), (7, 223095538), (14, 111547769), (23, 67898642), (46, 33949321), (97, 16099678), (161, 9699806), (194, 8049839), (322, 4849903), (679, 2299954), (1358, 1149977), (2231, 699986), (4462, 349993), (15617, 99998), (31234, 49999)]