7661978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1421

約数の個数: 16

約数和(自身を含む): 12181920

約数和(自身を除く): 4519942

約数列:

[1, 2, 19, 38, 163, 326, 1237, 2474, 3097, 6194, 23503, 47006, 201631, 403262, 3830989, 7661978]

約数ペア:

[(1, 7661978), (2, 3830989), (19, 403262), (38, 201631), (163, 47006), (326, 23503), (1237, 6194), (2474, 3097)]