161663978

素因数分解:

$2^1\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{9929}}^1$

素因数の和:11101

約数の個数: 16

約数和(自身を含む): 277404480

約数和(自身を除く): 115740502

約数列:

[1, 2, 7, 14, 1163, 2326, 8141, 9929, 16282, 19858, 69503, 139006, 11547427, 23094854, 80831989, 161663978]

約数ペア:

[(1, 161663978), (2, 80831989), (7, 23094854), (14, 11547427), (1163, 139006), (2326, 69503), (8141, 19858), (9929, 16282)]