7978461

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 11521440

約数和(自身を除く): 3542979

約数列:

[1, 3, 19, 53, 57, 139, 159, 361, 417, 1007, 1083, 2641, 3021, 7367, 7923, 19133, 22101, 50179, 57399, 139973, 150537, 419919, 2659487, 7978461]

約数ペア:

[(1, 7978461), (3, 2659487), (19, 419919), (53, 150537), (57, 139973), (139, 57399), (159, 50179), (361, 22101), (417, 19133), (1007, 7923), (1083, 7367), (2641, 3021)]