658006678

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{21067}}^1$

素因数の和:21196

約数の個数: 32

約数和(自身を含む): 1189246464

約数和(自身を除く): 531239786

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 4462, 15617, 21067, 31234, 42134, 147469, 294938, 484541, 969082, 2043499, 3391787, 4086998, 6783574, 14304493, 28608986, 47000477, 94000954, 329003339, 658006678]

約数ペア:

[(1, 658006678), (2, 329003339), (7, 94000954), (14, 47000477), (23, 28608986), (46, 14304493), (97, 6783574), (161, 4086998), (194, 3391787), (322, 2043499), (679, 969082), (1358, 484541), (2231, 294938), (4462, 147469), (15617, 42134), (21067, 31234)]